1·Traditionally the relatedness of species has been ascertained by a close comparison of their anatomy.
传统上，物种的亲缘关系是通过对它们的解剖结构的密切比较来确定的。
2·Popper believed his experiment demonstrated that, contrary to Heisenberg, both a particle's position and its momentum could be precisely ascertained at the same time.
波普尔认为他的试验表明，跟海森堡相反，粒子的位置和动量两者都可在同一时间精确确定。
3·Article 21 of the Law shall be applicable after authorship of the work becomes ascertained.
作者身份一旦确定，适用著作权法第二十一条的规定。
4·The cause of death was "yet to be ascertained," said another official in the coroner's office.
死亡的原因“还不能确定”，办公室里的另一名验尸官说到。
5·"The cause of death was" yet to be ascertained, "said another official in the coroner's office."
死亡的原因“还不能确定”，办公室里的另一名验尸官说到。
1·But how could this have been ascertained? And are we certain that the result is trustworthy?
那么，这个速度是怎样被查明的？我们又怎样才能确信它是可靠的？
2·The article had been published, as he had ascertained at the file in the Central Reading-room, but no word could he get from the editor.
他在中央阅览室的文件里查明，作品已经发了，但是编辑一个字也没有写给他。
3·Secondly, the study also ascertained the significant differences of language learning beliefs on part of high- and low-achievers.
研究查明了高分和低分学生语言学习观念的显著差异。
4·The groundwater recharge, runoff and discharge conditions are ascertained.
查明了地下水的补给、流量和排泄条件。
5·The facts ascertained in court verdict shall be the facts about the procedure of administrative law enforcement rather than the facts in dispute.
行政判决书中法院查明的事实不是引起争议的事实，而是行政执法程序等事实。