不要靠近那个变压器.Keep away from the transformer.变压器可在两个晶体管之间隔离直流 偏压.The transformer isolates the transistors with regard to d - c bias voltage .降压变压器 的匝数比小于1.A step - down transformer has a turns ratio less than 1....
The telephone is one of the great tyrannies of modern life.电话是现代生活中让人最反感的必需品之一。All the tyrannies of the past were half - hearted and inefficient.以前的所有暴政都不能彻底,都是软弱无能.By comparison with that existing today, all the tyranni...
木炭和金刚石都是炭的同素异形物Charcoal and diamond are allotropes of carbon.炭的含量是百分之四.Its carbon content is 4 %.苯酚的催化氧化和炭的催化氧化可能遵循不同的反应历程.Phenol oxidation and catalyst - sorbent ignition may proceed bt different reaction mechanisms....
苏氨酸被苏氨酸脱氨酶脱氨产生α - 酮丁酸.Deamination of threonine by the enzyme threonine deaminase produces α - ketobutyrate.目的探讨应用连续监测法测定腺苷脱氨酶 ( ADA ) 及其临床应用价值.Objective To study the continuous monitoring method of adenosine deaminase ( ...
这种甜食从冰箱里拿出来就可以吃。This dessert can be served straight from the fridge.甜食菜单馋得我垂涎欲滴。I was tempted by the dessert menu.那种甜食包括鸡蛋 、 蜂蜜和奶油.That sweet consists of eggs, honey and cream....
...the discovery of the ozone hole over the South Pole...南极上空臭氧洞的发现...heavy, rain-laden clouds scudding across from the south-west.乌黑的雨云从西南方向掠过North and South will remain separate entities within a commonwealth until the...