This machine is fully automatism number controlled, its operation is handy , andits cutting is exact.本机全自动数字控制, 操作简便, 切割精确.Objective : To observe the clinical feature and electroencephalogram ( EEG ) characteristic of au...
光通过棱镜时产生折射。Light is refracted when passed through a prism.一束光通过棱镜就会形成光谱。A spectrum is formed by a ray of light passing through a prism.棱镜把光分解成虹的各种色彩.The prism broke the light into all the colors of the rainbow....
Deer's tail , sinew , mushrooms , frog's egg, red ginseng.鹿肉,鹿鞭,鹿筋, 牛肝菌,裙边,雪蛤, 红参.All tough sinew, she looked like a hawk eyeing prey.她肌肉强健, 看上去像只老鹰盯着它的猎物.He strained every sinew to help us, but didn’t succeed....