| 释义 |
concave and convex
- 凸面的tū miàn de
convex
- 中凸的zhōng tū de
convex
- 翘弯qiào wān
crosswise concaving
- 凹面āo miàn
camber concave; concave surface [camber]; concavity; rearward face
- 凸透镜tū tòu jìng
burning glass; convex lens; convex glass; positive lens
- 凸面体tū miàn tǐ
convex
- 凸圆的tū yuán de
convex, gibbous
- 凹面镜āo miàn jìng
concave mirror
- 凹透镜āo tòu jìng
concave lens
- 凸形铣刀tū xíng xǐ dāo
convex cutter
- 凹多边形āo duō biān xíng
concave polygon
- 凹面滚子āo miàn gǔn zǐ
concave roller
- 猴面石hóu miàn shí
monkey-face concave pebble
- 凹的āo de
concave; hollow; cuppy; depressed; foveate
- 凹āo
concave; hollow; sunken; dent; sink; low-lying area
- 非对称球面滚子fēi duì chēng qiú miàn gǔn zǐ
convex asymmetrical roller
- 凹面滚子轴承āo miàn gǔn zǐ zhóu chéng
concave roller bearing
- 刁悍diāo hàn
cunning and fierce; crafty and fierce; cunning and ferocious; wicked and ferocious
- 盛衰shèng shuāi
prosperity and decline; rise and fall; ups and downs; wax and wane
- 损益sǔn yì
increase and decrease; profit and loss; gains and losses
- 往返wǎng fǎn
go there and back; come and go; arrive and depart; journey to and fro
- 来回地lái huí dì
backwards and forwards; back and forth; to and fro
- 爷儿俩yé ér liǎng
father and son; uncle and nephew; grandfather and grandson
- 纴rèn
silk and thread; spinning and weaving
- 反复fǎn fù
repeatedly; again and again; time and again; over and over again
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