ascertained

英 [ˌæsəˈteɪnd]

美 [ˌæsərˈteɪnd]

v.  查明; 弄清
ascertain的过去分词和过去式

过去分词：ascertained　过去式：ascertained　

柯林斯词典

• VERB （尤指经过努力后）查明，弄清，确定
  If youascertainthe truth about something, you find out what it is, especially by making a deliberate effort to do so.
  1. Through doing this, the teacher will be able to ascertain the extent to which the child understands what he is reading...
     这样一来，老师就能确定孩子们对他所读的内容理解多少了。
  2. Once they had ascertained that he was not a spy, they agreed to release him...
     一旦确认他并非间谍，他们即同意将他释放。
  3. Take time to ascertain what services your bank is providing, and at what cost.
     花些时间确认一下你的银行会提供什么样的服务，费用是多少。

英英释义

adj

• discovered or determined by scientific observation
  1. variation in the ascertained flux depends on a number of factors
  2. the discovered behavior norms
  3. discovered differences in achievement
  4. no explanation for the observed phenomena
  Synonym:discoveredobserved

双语例句

• The lawyer ascertained that a policeman had indeed delt roughly with foreigners on several occasions.
  那位律师查明有个警察的确在好几个场合中粗暴地对待了外国人。
• Based on the analysis of pavement noise's mechanism, character of pavement noise was ascertained.
  在分析路面噪声产生机理的基础上，确定路面噪声的特性。
• We ascertained that he was dead.
  我们断定他已死了。
• He had ascertained that his son-in-law was among the living prisoners.
  他已查明，他女婿在活着的囚犯之中。
• A physical or chemical change by which a substance may be detected or its properties ascertained.
  化验由一种可被检测到的或其特征能被确定的物质引起的一种物理或化学变化。
• When these models are applied in combination with seismic profiles and core analysis, existence and distribution of the volcanic cones can be ascertained.
  实践表明该模式和地震剖面、取心等有机结合，可以确定火山锥的存在及分布状况。
• Not capable of being definitely decided or ascertained.
  不能被明确的决定或者确定。
• It appears that some little trouble was caused by a woman, whose name has not been ascertained.
  看来这件小小的麻烦是由一个至今尚不清楚其姓名的女人所引起的。
• CHD events were ascertained by linkage to national registers.
  通过与国家登记部门联系确认冠心病事件。
• Result The calibration result and calibration curve was ascertained and analyzed.
  结果：实验得出了系统的定标结果及定标曲线，并对此进行了分析。