Substances differentiated tissues secrete are called chalone.已经分化的组织分泌物称为抑素.Objective : To purify rabbit hepatic chalone HC , and investigate its biological activity, purity and molecular weight.目的: 制备家兔肝抑素纯品, 检测其生物活性 、 ...
The salesperson greeted me with a warm hello.售货员热情地和我打招呼。I'm not influenced by a pushy salesperson.我不受促销员的影响.Carol Garcia is a salesperson.卡罗尔,加西亚是一名售货员....
所有的皇家轿车都装有电子自导引装置。All the royal cars are fitted with electronic homing devices.甲板上所有的装置、窗户、舱口盖和门都已经关牢了。All deck fittings, windows, hatches and doors had been fastened.有金属部件的照明装置都应该走地线。Light fittings with metal parts shou...
The potassium content of foodstuffs is very variable.食物中钾的含量差别很大。...shortages of even the most basic foodstuffs...最基本食物的短缺Imports of foodstuffs accounted for a small proportion of total imports.食物进口仅占总进口额的一小部份.Plants are...