在相同的条件下,分子速度分布在任何时候都是恒定的.At any given instant the distribution of molecular speeds is always constant under the same conditions.它使火车在通过现有轨道的弯曲处时得以保持恒定的车速。It allows the train to maintain a constant speed through the twist...
她穿了一身剪裁得体、非常服帖的套装。She wore a softly tailored suit.写文章要下一番剪裁的工夫.In writing an essay one must do a lot of pruning.这件大衣剪裁得好也做得好.The coat was well cut and well made....
At present are 2 - chloro ben - mode of destructible cover stealthily.目前主要有2种形式可破坏显偷换盖.Abstract: 2 - Chloro - 5 - chloromethylpyridine is an important intermediates of the pesticide and the pharmacology.文摘: 2- 氯 -5- 氯甲基吡...