鱼群分布集中在每条河的某些区域.Fish populations assume highly localized distributions within each river.鱼群也会反射声音的.A shoal of fish will do this.个鱼群周围很可能有一条大的, 他想.There might be a big one around that school, he thought....
制备,保存用化学或物理方法制备 、 保存或润饰 ( 某物质 )To prepare , preserve, or finish ( a substance ) by a chemical or physical process.用化学或物理方法制备 、 保存或润饰 ( 某物质 ).To prepare, preserve, or finish ( a substance ) a chemical or physical process....
Objective : To study the effects of metoclopramide ( Meto ) on morphine physical dependence in mice.目的··: 观察甲氧氯普 胺 对吗啡身体依赖性的影响.HPLC method for determination of metoclopramide nasal spray and its related substances was es...