神经网络是模拟大脑工作方式的计算机系统。Neural networks are computer systems which mimic the workings of the brain.他们在吉利根路上翻滚，模拟一场暴力厮杀。They rolled about on the Gilligan Road, simulating a bloodthirsty fight.她说这张模拟画像像极了绑架她的人。She says the art...
其金属取代物能和环戊酮顺利地反应得到40.Its metallation and addition to cyclopentanone proceeded well to 40.以单质碘为催化剂合成了环戊酮乙二缩酮.Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.比较研究了三种含苄叉环戊酮基团的新型香豆素类光敏染料.Absorption spect...