1,n7210跟n2700哪个

自己选择
n7210好

n7210跟n2700哪个好

2,数控车床广数系统编程实例

数控车床编程实例1.根据零件图样要求、毛坯情况,确定工艺方案及加工路线1)对细长轴类零件,轴心线为工艺基准,用三爪自定心卡盘夹持φ58㎜外圆一头,使工件伸出卡盘175㎜,用顶尖顶持另一头,一次装夹完成粗精加工(注:切断时将顶尖退出)。2) 工步顺序① 粗车外圆。基本采用阶梯切削路线,粗车φ56㎜、SφS50㎜、φ36㎜、M30㎜各外圆段以及锥长为10㎜的圆锥段,留1㎜的余量。② 自右向左精车各外圆面:螺纹段右倒角→切削螺纹段外圆φ30㎜→车锥长10㎜的圆锥→车φ36㎜圆柱段→车φ56㎜圆柱段。③ 车5㎜×φ26㎜螺纹退刀槽,倒螺纹段左倒角,车锥长10㎜的圆锥以及车5㎜×φ34㎜的槽。④ 车螺纹。⑤ 自右向左粗车R15㎜、R25㎜、Sφ50㎜、R15㎜各圆弧面及30°的圆锥面。⑥ 自右向左精车R15㎜、R25㎜、Sφ50㎜、R15㎜各圆弧面及30°的圆锥面。⑦ 切断。2.选择机床设备根据零件图样要求,选用经济型数控车床即可达到要求。故选用CK0630型数控卧式车床。3.选择刀具根据加工要求,选用三把刀具,T01为粗加工刀,选90°外圆车刀,T03为切槽刀,刀宽为3㎜,T05为螺纹刀。同时把三把刀在自动换刀刀架上安装好,且都对好刀,把它们的刀偏值输入相应的刀具参数中。4.确定切削用量切削用量的具体数值应根据该机床性能、相关的手册并结合实际经验确定,详见加工程序。5.确定工件坐标系、对刀点和换刀点确定以工件左端面与轴心线的交点O为工件原点,建立XOZ工件坐标系。采用手动试切对刀方法(操作与上面数控车床的对刀方法相同)把点O作为对刀点。换刀点设置在工件坐标系下X70、Z30处。6.编写程序(该程序用于CK0630车床)按该机床规定的指令代码和程序段格式,把加工零件的全部工艺过程编写成程序清单。该工件的加工程序如下: N0010 G59 X0 Z195 N0020 G90 N0030 G92 X70 Z30 N0040 M03 S450N0050 M06 T01N0060 G00 X57 Z1 N0070 G01 X57 Z-170 F80N0080 G00 X58 Z1 N0090 G00 X51 Z1N0100 G01 X51 Z-113 F80N0110 G00 X52 Z1 N0120 G91 N0130 G81 P3 N0140 G00 X-5 Z0N0150 G01 X0 Z-63 F80 N0160 G00 X0 Z63 N0170 G80 N0180 G81 P2N0190 G00 X-3 Z0N0200 G01 X0 Z-25 F80N0210 G00 X0 Z25N0220 G80N0230 G90N0240 G00 X31 Z-25N0250 G01 X37 Z-35 F80 N0260 G00 X37 Z1N0270 G00 X23 Z-72.5 N0280 G00 X26 Z1N0290 G01 X30 Z-2 F60N0300 G01 X30 Z-25 F60 N0310 G01 X36 Z-35 F60 N0320 G01 X36 Z-63 F60 N0330 G00 X56 Z-63N0340 G01 X56 Z-170 F60N0350 G28 N0360 G29N0370 M06 T03N0380 M03 S400N0390 G00 X31 Z-25 N0400 G01 X26 Z-25 F40N0410 G00 X31 Z-23 N0420 G01 X26 Z-23 F40 N0430 G00 X30 Z-21N0440 G01 X26 Z-23 F40N0450 G00 X36 Z-35N0460 G01 X26 Z-25 F40N0470 G00 X57 Z-113N0480 G01 X34.5 Z-113 F40N0490 G00 X57 Z-111N0500 G01 X34.5 Z-111 F40 N0510 G28 N0520 G29N0530 M06 T05N0540 G00 X30 Z2N0550 G91N0560 G33 D30 I27.8 X0.1 P3 Q0N0570 G01 X0 Z1.5N0580 G33 D30 I27.8 X0.1 P3 Q0N0590 G90N0600 G00 X38 Z-45N0610 G03 X32 Z-54 I60 K-54 F40 N0620 G02 X42 Z-69 I80 K-54 F40 N0630 G03 X42 Z-99 I0 K-84 F40 N0640 G03 X36 Z-108 I64 K-108 F40N0650 G00 X48 Z-113N0660 G01 X56 Z-135.4 F60N0670 G00 X56 Z-113N0680 G00 X40 Z-113N0690 G01 X56 Z-135.4 F60N0700 G00 X50 Z-113N0710 G00 X36 Z-113N0720 G01 X56 Z-108 F60N0730 G00 X36 Z-45N0740 G00 X36 Z-45N0750 M03 S800N0760 G03 X30 Z-54 I60 K-54 F40N0770 G03 X40 Z-69 I80 K-54 F40N0780 G02 X40 Z-99 I0 K-84 F40N0790 G03 X34 Z-108 I64 K-108 F40N0800 G01 X34 Z-113 F40N0810 G01 X56 Z-135.4 F40N0820 G28N0830 G29N0840 M06 T03N0850 M03 S400N0860 G00 X57 Z-168N0870 G01 X0 Z-168 F40N0880 G28N0890 G29N0900 M05N0910 M02

数控车床广数系统编程实例

3,10720次方等于多少

一个数的1次方还等于这个数,因为a的n次方就是n个a相乘,一个数的1次方就是这个数乘以1,还等于这个数。

10720次方等于多少

4,深谙的意思什么啊 急求

发音: 深〔shēn〕谙〔ān〕 英文议:Well versed in意思:深:shēn程度高的。  谙:(谙)ān 熟悉,精通谙:⒈熟悉:谙练。⒉知道,精通:深谙医术。深谙:非常透彻地了解;熟悉内中情形。
深谙就是很透彻明白的了解……熟悉内中情形的意思 深:shēn程度高的。 谙:(谙)ān 熟悉,精通。

5,数控铣床编程

这个我可以用软件给你编出来,手工编程太慢了```而且还容易出错```软件编的行不? T1是Φ22立铣刀 T2是Φ12立铣刀%N0010 G40 G17 G94 G90 G71N0020 T01 M06N0030 G0 X29.431 Y65.5 S800 M03N0040 G43 Z3. H01N0050 Z1.125N0060 G1 Z-1.875 M08 F200.N0070 X39.431 Y55.5N0080 X55.5 Y39.431N0090 G0 X65.5 Y29.431N0100 Z1.125N0110 Z3.N0120 X-29.431 Y-65.5N0130 Z1.125N0140 G1 Z-1.875N0150 X-39.431 Y-55.5N0160 X-55.5 Y-39.431N0170 X-46.997 Y-43.408N0180 G3 X-44.398 Y-31.865 R7.N0190 G1 X-46.166 Y-30.097N0200 X-48.132 Y-28.132N0210 G2 X-51.5 Y-20. R11.5N0220 G1 Y28.N0230 G2 X-28. Y51.5 R23.5N0240 G1 X20.N0250 G2 X28.132 Y48.132 R11.5N0260 G1 X48.132 Y28.132N0270 G2 X51.5 Y20.N0280 G1 Y-28.N0290 G2 X28. Y-51.5 R23.5N0300 G1 X-20.N0310 G2 X-28.132 Y-48.132 R11.5N0320 G1 X-47.934 Y-28.329N0330 G3 X-57.833 R7.N0340 G0 Z1.125N0350 Z3.N0360 X29.431 Y65.5N0370 Z1.125N0380 Z-.75N0390 G1 Z-3.75N0400 X39.431 Y55.5N0410 X55.5 Y39.431N0420 G0 X65.5 Y29.431N0430 Z-.75N0440 Z3.N0450 X-29.431 Y-65.5N0460 Z1.125N0470 Z-.75N0480 G1 Z-3.75N0490 X-39.431 Y-55.5N0500 X-55.5 Y-39.431N0510 X-46.997 Y-43.408N0520 G3 X-44.398 Y-31.865N0530 G1 X-46.166 Y-30.097N0540 X-48.132 Y-28.132N0550 G2 X-51.5 Y-20. R11.5N0560 G1 Y28.N0570 G2 X-28. Y51.5 R23.5N0580 G1 X20.N0590 G2 X28.132 Y48.132 R11.5N0600 G1 X48.132 Y28.132N0610 G2 X51.5 Y20.N0620 G1 Y-28.N0630 G2 X28. Y-51.5 R23.5N0640 G1 X-20.N0650 G2 X-28.132 Y-48.132 R11.5N0660 G1 X-47.934 Y-28.329N0670 G3 X-57.833 R7.N0680 G0 Z-.75N0690 Z3.N0700 X29.431 Y65.5N0710 Z-.75N0720 Z-2.625N0730 G1 Z-5.625N0740 X39.431 Y55.5N0750 X55.5 Y39.431N0760 G0 X65.5 Y29.431N0770 Z-2.625N0780 Z3.N0790 X-29.431 Y-65.5N0800 Z-.75N0810 Z-2.625N0820 G1 Z-5.625N0830 X-39.431 Y-55.5N0840 X-55.5 Y-39.431N0850 X-46.997 Y-43.408N0860 G3 X-44.398 Y-31.865N0870 G1 X-46.166 Y-30.097N0880 X-48.132 Y-28.132N0890 G2 X-51.5 Y-20. R11.5N0900 G1 Y28.N0910 G2 X-28. Y51.5 R23.5N0920 G1 X20.N0930 G2 X28.132 Y48.132 R11.5N0940 G1 X48.132 Y28.132N0950 G2 X51.5 Y20.N0960 G1 Y-28.N0970 G2 X28. Y-51.5 R23.5N0980 G1 X-20.N0990 G2 X-28.132 Y-48.132 R11.5N1000 G1 X-47.934 Y-28.329N1010 G3 X-57.833 R7.N1020 G0 Z-2.625N1030 Z3.N1040 X29.431 Y65.5N1050 Z-2.625N1060 Z-4.5N1070 G1 Z-7.5N1080 X39.431 Y55.5N1090 X55.5 Y39.431N1100 G0 X65.5 Y29.431N1110 Z-4.5N1120 Z3.N1130 X-29.431 Y-65.5N1140 Z-2.625N1150 Z-4.5N1160 G1 Z-7.5N1170 X-39.431 Y-55.5N1180 X-55.5 Y-39.431N1190 X-46.997 Y-43.408N1200 G3 X-44.398 Y-31.865N1210 G1 X-46.166 Y-30.097N1220 X-48.132 Y-28.132N1230 G2 X-51.5 Y-20. R11.5N1240 G1 Y28.N1250 G2 X-28. Y51.5 R23.5N1260 G1 X20.N1270 G2 X28.132 Y48.132 R11.5N1280 G1 X48.132 Y28.132N1290 G2 X51.5 Y20.N1300 G1 Y-28.N1310 G2 X28. Y-51.5 R23.5N1320 G1 X-20.N1330 G2 X-28.132 Y-48.132 R11.5N1340 G1 X-47.934 Y-28.329N1350 G3 X-57.833 R7.N1360 G0 Z3.N1370 G0 X-60.062 Y33.316 S800 M03N1380 Z1.25N1390 G1 Z-1.75 F200.N1400 X-54.222 Y25.862N1410 G3 X-42.117 Y27.831 R7.N1420 G1 X-41.579 Y29.342N1430 G2 X-41.246 Y30.173 R11.5N1440 X-38.968 Y33.524N1450 G1 X-34.01 Y38.594N1460 G2 X-29.863 Y41.308N1470 G1 X-22.858 Y43.963N1480 G2 X-18.772 Y44.709N1490 G1 X-8.435 Y44.701N1500 X4.424 Y40.905N1510 X17.348 Y33.428N1520 X29.449 Y22.31N1530 X38.432 Y9.487N1540 X43.674 Y-3.522N1550 X44.954 Y-14.29N1560 G2 X44.772 Y-18.087N1570 G1 X43.103 Y-25.779N1580 G2 X41.18 Y-30.083N1590 G1 X37.599 Y-35.028N1600 G2 X35.028 Y-37.599N1610 G1 X30.234 Y-41.07N1620 G2 X26.15 Y-42.943N1630 G1 X18.75 Y-44.701N1640 G2 X14.916 Y-44.953N1650 G1 X4.233 Y-43.855N1660 X-8.696 Y-38.855N1670 X-21.496 Y-30.151N1680 X-32.833 Y-18.15N1690 X-40.579 Y-5.164N1700 X-44.594 Y7.771N1710 X-44.773 Y18.186N1720 G2 X-44.108 Y22.242N1730 G1 X-41.579 Y29.342N1740 G2 X-39.988 Y32.328N1750 G3 X-41.447 Y42.119 R7.N1760 G0 Z1.25N1770 Z3.N1780 X-60.062 Y33.316N1790 Z1.25N1800 Z-.5N1810 G1 Z-3.5N1820 X-54.222 Y25.862N1830 G3 X-42.117 Y27.831N1840 G1 X-41.579 Y29.342N1850 G2 X-41.246 Y30.173 R11.5N1860 X-38.968 Y33.524N1870 G1 X-34.01 Y38.594N1880 G2 X-29.863 Y41.308N1890 G1 X-22.858 Y43.963N1900 G2 X-18.772 Y44.709N1910 G1 X-8.435 Y44.701N1920 X4.424 Y40.905N1930 X17.348 Y33.428N1940 X29.449 Y22.31N1950 X38.432 Y9.487N1960 X43.674 Y-3.522N1970 X44.954 Y-14.29N1980 G2 X44.772 Y-18.087N1990 G1 X43.103 Y-25.779N2000 G2 X41.18 Y-30.083N2010 G1 X37.599 Y-35.028N2020 G2 X35.028 Y-37.599N2030 G1 X30.234 Y-41.07N2040 G2 X26.15 Y-42.943N2050 G1 X18.75 Y-44.701N2060 G2 X14.916 Y-44.953N2070 G1 X4.233 Y-43.855N2080 X-8.696 Y-38.855N2090 X-21.496 Y-30.151N2100 X-32.833 Y-18.15N2110 X-40.579 Y-5.164N2120 X-44.594 Y7.771N2130 X-44.773 Y18.186N2140 G2 X-44.108 Y22.242N2150 G1 X-41.579 Y29.342N2160 G2 X-39.988 Y32.328N2170 G3 X-41.447 Y42.119 R7.N2180 G0 Z3.N2190 G0 X34.497 Y65.95 S1000 M03N2200 Z-5.N2210 G1 Z-8. F200.N2220 X44.497 Y55.95N2230 X55.95 Y44.497N2240 G0 X65.95 Y34.497N2250 Z-5.N2260 Z3.N2270 X-34.497 Y-65.95N2280 Z-5.N2290 G1 Z-8.N2300 X-44.497 Y-55.95N2310 X-55.95 Y-44.497N2320 X-44.336 Y-45.362N2330 G3 X-41.737 Y-33.819 R7.N2340 G1 X-43.505 Y-32.051N2350 X-47.778 Y-27.778N2360 G2 X-51. Y-20. R11.N2370 G1 Y28.N2380 G2 X-28. Y51. R23.N2390 G1 X20.N2400 G2 X27.778 Y47.778 R11.N2410 G1 X47.778 Y27.778N2420 G2 X51. Y20.N2430 G1 Y-28.N2440 G2 X28. Y-51. R23.N2450 G1 X-20.N2460 G2 X-27.778 Y-47.778 R11.N2470 G1 X-45.273 Y-30.284N2480 G3 X-55.172 R7.N2490 G0 Z3.N2500 G0 X-59.98 Y35.937 S1000 M03N2510 Z-1.N2520 G1 Z-4. F200.N2530 X-53.34 Y27.145N2540 G3 X-41.476 Y28.268 R7.N2550 G1 X-40.37 Y30.51N2560 X-40.341 Y30.57N2570 X-38.208 Y33.716N2580 X-35.649 Y36.534N2590 X-32.716 Y38.957N2600 X-29.476 Y40.943N2610 X-25.998 Y42.473N2620 X-22.341 Y43.547N2630 X-18.553 Y44.18N2640 X-14.666 Y44.389N2650 X-10.7 Y44.191N2660 X-6.667 Y43.598N2670 X-2.578 Y42.617N2680 X1.56 Y41.249N2690 X5.732 Y39.491N2700 X9.92 Y37.339N2710 X14.095 Y34.79N2720 G2 X38.042 Y8.633 R73.442N2730 G1 X40.074 Y4.445N2740 X41.712 Y.279N2750 X42.962 Y-3.847N2760 X43.823 Y-7.921N2770 X44.295 Y-11.936N2780 X44.368 Y-15.88N2790 X44.03 Y-19.74N2800 X43.262 Y-23.492N2810 X42.047 Y-27.099N2820 X40.375 Y-30.511N2830 X38.25 Y-33.663N2840 X36.072 Y-36.072N2850 X34.608 Y-37.395N2860 X32.66 Y-38.997N2870 X29.416 Y-40.975N2880 X25.934 Y-42.496N2890 X22.274 Y-43.563N2900 X18.484 Y-44.187N2910 X14.595 Y-44.389N2920 X10.628 Y-44.184N2930 X6.594 Y-43.584N2940 X2.504 Y-42.596N2950 X-1.634 Y-41.221N2960 X-5.807 Y-39.456N2970 X-9.995 Y-37.296N2980 X-14.169 Y-34.741N2990 G2 X-38.082 Y-8.558 R73.431N3000 G1 X-40.107 Y-4.37N3010 X-41.738 Y-.204N3020 X-42.98 Y3.921N3030 X-43.835 Y7.994N3040 X-44.3 Y12.007N3050 X-44.366 Y15.95N3060 X-44.02 Y19.809N3070 X-43.244 Y23.558N3080 X-42.021 Y27.162N3090 X-40.341 Y30.57N3100 X-38.975 Y32.584N3110 G3 X-40.842 Y42.306 R7.N3120 G0 Z3.N3130 T02 M06N3140 G0 X13.551 Y-12.26 S1000 M03N3150 G43 Z3. H02N3160 G1 X.707 Y.707 Z-1.9 F200.N3170 X-11.667 Y13.081N3180 G3 X-13.081 Y11.667 R1.N3190 G1 X11.667 Y-13.081N3200 G3 X13.081 Y-11.667N3210 G1 X-1.061 Y2.475N3220 G3 X-5.931 Y4.525 R7.N3230 G0 Z1.1N3240 Z3.N3250 X13.551 Y-12.26N3260 Z1.1N3270 G1 X.707 Y.707 Z-3.8N3280 X-11.667 Y13.081N3290 G3 X-13.081 Y11.667 R1.N3300 G1 X11.667 Y-13.081N3310 G3 X13.081 Y-11.667N3320 G1 X-1.061 Y2.475N3330 G3 X-5.931 Y4.525 R7.N3340 G0 Z3.N3350 G0 X8.581 Y-10.702 S1200 M03N3360 G1 X11.527 Y-13.648 Z1.884 F200.N3370 X12.077 Y-13.875 Z1.724N3380 X12.672 Z1.565N3390 X13.222 Y-13.648 Z1.405N3400 X13.609 Y-13.261 Z1.259N3410 X13.862 Y-12.688 Z1.091N3420 Y-12.061 Z.923N3430 X13.609 Y-11.487 Z.755N3440 X1.061 Y1.061 Z-4.N3450 X-11.314 Y13.435N3460 G3 X-13.435 Y11.314 R1.5N3470 G1 X11.314 Y-13.435N3480 G3 X13.435 Y-11.314N3490 G1 X-.707 Y2.828N3500 G3 X-6.9 Y4.767 R7.N3510 G0 Z3.N3520 M30%

6,形容一个女孩子长的很嫩是什么意思

1.手如柔荑 [ shǒu rú róu tí ] 手很白皙出 处:诗经·卫风·硕人2.十指尖尖 [ shí zhǐ jiān jiān ]:形容一个人的手指很纤细的意思。3.指如葱根[zhǐ rú cōng gēn ]:手指就像葱的根一样白,说明手指直而白,形容手指很漂亮。出处:腰若流纨素,耳著明月珰。指如削葱根,口如含朱丹。纤纤作细步,精妙世无双。4.柔若无骨 [ róu ruò wú gǔ ]:软和的就像没有骨头一样。形容手非常柔软。5.十指纤纤[shí zhǐ xiān xiān ]:十指:指双手;纤纤:细巧。旧时形容妇女的手细巧而柔美。出处:{咏手}一双十指玉纤纤,不是风流物不拈。
就是字面上的意思,想象你吃过最嫩口感的东西,什么感觉?就是那种感觉啦。
你好!皮肤好,可爱仅代表个人观点,不喜勿喷,谢谢。
水灵灵
长得比实际年龄小

7,神清气爽的意思是啥

神清气爽 成语 神清气爽 发音 shén qīng qì shuǎng 解释 神、气:精神状态。①形容人神志清爽,心情舒畅。②形容人长得神态清明,气质爽朗。 出处 宋·李昉《太平广记》卷十七引唐·牛僧孺《续玄怪录·裴谌》:“香风飒来,神清气爽,飘飘然有凌云之意。”
神清气爽 成语 神清气爽 发音 shén qīng qì shuǎng 解释 神、气:精神状态。①形容人神志清爽,心情舒畅。②形容人长得神态清明,气质爽朗。 出处 宋·李昉《太平广记》卷十七引唐·牛僧孺《续玄怪录·裴谌》:“香风飒来,神清气爽,飘飘然有凌云之意。” 示例 长揖而坐,~,满坐风生,顾眄炜如也。 ◎宋·张君房《云笈七签》卷一一二
神清气爽 的意思: 形容人精神爽快,心情舒畅。呵呵,明白了吗?其他有关 神清气爽 的知识:它出自 宋·李昉《太平广记》卷十七引唐·牛僧孺《续玄怪录·裴谌》:“香风飒来,神清气爽,飘飘然有凌云之意。”

8,千丝万缕是什么意思

千丝万缕 ( qiān sī wàn lǚ ) 解 释 千条丝,万条线。形容两者之间密切而复杂的联系。 出 处 宋·辛弃疾《蝶恋花》:“会少离多看两鬓。万缕千丝,何况新来病。” 用 法 联合式;作谓语、定语、状语;用于人或事物之间 示 例 浩然《艳阳天》第27章:“这种联系又是~,有形无形。” 近义词 盘根错节、牵丝挂藤 反义词 一刀两断 灯 谜 纺纱车间
词典里面有
千丝万缕 成语词条: 千丝万缕 成语发音: qiān sī wàn lǚ 成语释疑: 千条丝,万条线。原形容一根又一根,数也数不清。现多形容相互之间种种密切而复杂的联系。 成语出处: 宋·戴石屏《怜薄命》词:“道旁杨柳依依,千丝万缕,拧不住一分愁绪。”
千丝万缕 ( qiān sī wàn lǚ ) 解 释 千条丝,万条线。形容两者之间密切而复杂的联系。 出 处 宋·辛弃疾《蝶恋花》:“会少离多看两鬓。万缕千丝,何况新来病。”

9,身如槁骨 心如死灰什么意思

一、”身如槁骨“的意思是:身体被病魔折磨待形同朽木干骨。”槁骨“:1、 枯骨。《墨子·耕柱》:“舍今之人而誉先王,是誉槁骨也。” 汉 贾谊 《新书·喻诚》:“我君不以梦之故而倍槁骨,况於生人乎?”2.、指贝。《荀子·礼论》:“饭以生稻,唅以槁骨。” 杨倞 注:“槁骨,贝也。”二、“心如死灰”的意思是:原指心境淡漠,毫无情感。现也形容意志消沉,态度冷漠到极点。”死灰“,已冷却的灰烬。例:巴金《家》二十:“ 我纵然心如死灰,也难把往事轻易忘记。 ”扩展资料:心如死灰近义词:1、心灰意冷释义:灰心失望,意志消沉。出自清·梁启超《湖南时务学堂学约》:“非有坚定之力,则一经挫折,心灰意冷。”2、灰心丧气释义:心如熄灭了的死灰;形容因失败或不顺利而失去信心,意志消沉。丧:失去。出自明·吕坤《呻吟语·下·建功立业》:“是以志趋不坚;人言是恤者;辄灰心;丧气;竟不卒功。”3、心灰意懒释义:灰心丧气,意志消沉。也说心灰意冷。出自元·乔吉《乔梦符小令》:“不是我心灰意懒;怎陪伴愚眉肉眼?”
xīn rú sǐ huī成语释义 死灰:已冷却的灰烬。原指心境淡漠,毫无情感。现也形容意志消沉,态度冷漠到极点。成语出处 先秦 庄周《庄子 知冯游》:“形若槁骸,心若死灰。”感情色彩 贬义成语结构 主谓式成语成语用法 主谓式;作谓语、定语;含贬义产生年代 近代成语近义词 心灰意冷成语例句我纵然心如死灰,也难把往事轻易忘记。(巴金《家》二十)
你好!现在说的都是一个负面印象,形同精气神被掏空,萎靡不振的样子的,但是我觉得本意不是这样,我认为,这两句话本意可能是形容人修道,也就是物我合一的一种境界。如有疑问,请追问。
这里的“生”不是生产、诞生,而是生活、活着的意思!这里的“心”不是心脏、思想,而是思念、欲望的意思!话面直释就是:(我已经觉得现在)活着犹如一段死木头,心里的欲望也像一堆即将熄火的草灰胆沪册疚夭狡差挟倡锚,(活着还有什么意思)呢!--寂寞大山人
身体被病魔折磨待形同朽木干骨,心冷寞待象燃尽早已熄灭的草灰。意思是身心俱毁

10,n与发音区别

n是前鼻音,发音方法是:舌头伸出牙齿,上下牙齿轻轻咬住舌尖,用喉咙发音的同时舌尖收回,嘴里不出气,只从鼻腔出,发出的就是n。?,汉语拼音方案中规定,在给汉字注音时,为了使拼式简短,ng可以省作?。ng是后鼻音,它与其他几个元音结合组成ang、iang、uang、eng、ing、ueng、ong、iong等八鼻音韵母。后鼻音韵母如ang、eng、ing的发音,前面的元音发音靠后,a发为后a。e本来就是一个发音靠后的元音,元音 a、e在后面发的同时先往后缩,再正抛物线的往上升,使舌跟与软颚形成阻碍,使气流从后口腔进入鼻腔,发出后鼻音。i是舌尖前元音,在前面发音,因此发ing时,在发i的同时舌跟往后拉,才能使舌跟与软颚形成阻碍,产生后鼻腔共鸣。二音区别的关键点是:一前一后。n发音时舌头靠前抵硬腭,?发音时舌头靠后抵软腭。需仔细琢磨体会。
n/和/?/音标最大的区别是发音技巧不同:/n/发音技巧:两嘴唇微微张开,舌头尖抵住上颚(或上齿龈),舌根子别堵嗓子眼。舌头尖让嘴一点不呼气,气流从鼻子出来,鼻子哼哼出来的声就是/n/。/?/发音技巧:两嘴唇大张开,舌头尖别贴上牙,舌尖抵住下齿龈,舌头向下弯曲,舌头后部使劲往上腭贴,舌根子堵在嗓子眼。舌根子让嘴一点不呼气,气流丛鼻子出来,鼻子哼哼出来的声就是/?/。
发n时,舌尖顶住上牙床,发音时声带颤动,气流从鼻腔出来。发l时,舌尖顶住上牙床,发音时声带颤动,气流从舌头两边出来。在教学n、l时,可以让学生捏着鼻子发l的音,体会气流从舌头两边出来;松开鼻子发n的音,体会气流从鼻腔出来。这属于练习与体验部分。一、记单边记住哪些字要发n音。区分n—l声母字的一种行之有效的方法就是:记单边。例如:nü:女 lü:绿、率、铝、驴、旅、滤……n01n:您 lin:林、邻、吝、临、淋……náng:囊 lang:浪、廊、郎、榔……néng:能 leng:冷、棱、楞、愣……nuan:暖 luan:乱、卵、峦、鸾、挛……二、对比记忆据统计n—l声母的字相比较,n声母的字比l声母的字少,因此,通过记n声母的字,以区分l声母的字。附:常用 n声母字表那——娜; 哪;那;挪。乃——乃、奶、氖。奈——奈、捺。内——内;讷;呐、衲、钠。宁——宁、拧、咛、狞、柠;宁(宁可)、泞。尼——尼、泥、呢。倪——倪、霓。 奴——奴、孥、驽;努;怒。农——农、浓、脓。纽——妞;扭、纽、钮。念——捻;念。南——南、喃、楠、蝻。虐——虐、疟。碃讥百客知九版循保末诺——诺、喏;匿。懦——懦、糯。捏——捏;涅。聂——聂、蹑、镊、嗫。脑——恼、瑙、脑。三、绕口令绕口令会激起孩子学习的兴趣,让孩子不感觉厌烦。牛郎恋刘娘牛郎年年恋刘娘, 刘娘年年念牛郎,牛郎恋刘娘, 刘娘念牛郎,郎恋娘来娘念郎在拼音教学中,有很多发音对于孩子来说都是很困难的。家长不能着急,只要方法正确,再加上勤加练习,相信经过一段时间就会改善孩子的发音问题。

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