静电荷可以用撒布指示粉剂的方法,予以探测.Electric charge may be detected qualitatively by sprinkling or blowing indicating powders.这种肥料能用手撒布.The fertilizer can be distributed by hand.他正在把种子撒布在田地里.He is planting seeds in the fields....
很重要的一点是要把煤块烧到白热状再开始做饭。It is important to get the coals white-hot before you start cooking.白热光物体遇热发出可见光.The emission of visible light by a hot object.“电灯”光亮来自白热的灯丝.The light an electric lamp comes from an incandescent fil...
Adamantane and bicyclo ( 222 ) octane are predominantly Chlorinated at the bridge heads by this procedure.金刚烷和二环〔222〕辛烷主要是按照这个程序在桥头氯化.Using tendo - tetrahydrodicyclopentadiene as raw material and AlCl _ 3 - trace water s...
Interest rates generally have been declining since last spring, despite a few upward blips in recent weeks.尽管近几周出现了几次短暂的回升，但自去年春天开始利率在整体上还是一直呈下降趋势。Rapid detection of all blips earns a high score.能很快发现所有的光点就能得高分.You can&#...