Retinal detachment, myopic maculopathy , glaucoma, and cataract are four major complications can cause blindness. 网膜剥离 、 高度近视性黄斑部病变 、 青光眼 、 白内障是四大重要并发症可导致失明.
胚胎的性别早在受精时就决定了。The sex of the embryo is predetermined at fertilization.收集母牛胚胎的方法有两种, 一种是直接通过产道, 另一种是施用外科手术.There are two methods of collecting cow embryos -- directly through the birth canal, or surgically.目的: 探索制作小鼠多倍体胚...
进气分布器为双锥导流式.The air inlet distributor is a biconical diversion type.结果表明,化合物中锡原子呈五配位畸变三角双锥构型.The structure shows a distorted trigonal bipyramidal configuration with five - coordinations to a central tin atom.对“双锥筒振动试验模型”...