A cat retracts its claws.貓縮進(jìn)它的爪子.The split graph is given endomorphism images are retracts.給出了任意自同態(tài)像圖都是收縮核的分裂圖的結(jié)構(gòu).The nose unit is twin - wheeled and retracts rearward.前鼻單元是雙輪并向后收起....
A totally hypothetical high - speed , Metalclad carrier . The control car retracts into hull to lower wind resistance.一架設(shè)想中的 高速 全金屬硬式飛艇,為了降低阻力,控制倉(cāng)能夠縮進(jìn)蒙皮中.The split graph is given endomorphism images are retracts.給出了任意自同態(tài)...