它与两侧的加数移位的可约性有关.It has to do with the reducibility of two - sided weighted shifts.50年代中这两方面的雇员增加数占总数的27%.Twenty - seven percent of the net employment gain during the 1980 s was in those two categories.两个数相加, 交换加数的位置,他们的和...
The disulfide bridges might then be viewed primarily as stabilizing components.二硫桥可以被看作是初级的稳定因素.The purity of dimethyl disulfide was determined by capillary gas chromatography.应用毛细管气相色谱法测定二甲基二硫的纯度.OBJECTIVE To synthesize...
The team's first task was to decide what equipment could be salvaged...该队的首要任务是决定可以抢救哪些设备。Sister Manhood had salvaged something which looked like dependability.曼胡德护士已经捞到了一些似乎很可靠的证据.That was one thing he had salvaged...
Biscuits will stay crisp if you keep them in an airtight tin.如果你把饼干放到一个密闭的铁罐里, 它就会保持松脆。Ampoules are airtight glass containers that are filled with a concentration of highly active ingredients.安瓶是充满高度有效成分的集中的不漏气的玻璃容器.Stor...
我部门对维持低水平开支有浓厚兴趣。My department had a healthy interest in keeping expenses down.能源价格一直维持低水平，所以能源利用效率很低。Energy prices have been kept low, so energy is used inefficiently.近来这个班的成绩一直处于较低水平.The work of this class has been fal...
这种甲虫主要吃谷物的胚芽.This beetle eats mainly the germ of the grain.我们用气相层析法来测定各种谷物的水分.We use gas chromatography for moisture determination in a number of grains.全国各地牧场对套种谷物的选择都不相同.Farmers'preferences for a companion cereal ...