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

• Not capable of being definitely decided or ascertained.
  不能被明确的决定或者确定。
• 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。
• How severely has yet to be ascertained.
  现在还不能确定多严重。
• The laws ascertained by the physicist often become the bases for new sciences.
  物理学家所探明的那些规律常常成为新学科的基础。
• We need to ascertained that the knew the victim.
  警察已查明他认识受害者。
• It may be ascertained in your corporation by estimating the amount of money senior management is spending on consultants.
  在你的公司内，通过估算公司高层用于咨询顾问的开支金额，就可确定这个因数。
• 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。
• 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。
• By means of credit Delphi and analytical hierarchy process, the elements and the method of weighting for the evaluation of the cadres ofinstitutions of higher learning and the corresponding system are established, which is ascertained with facts, for the comprehensive analysis of the evaluation results.
  采用带信任度的德尔菲法和层次分析法，确定高校管理干部考核的指标要素和权重，并建立相应的考核指标体系，进行实例验证，提出了对干部的考核结果进行综合评价。
• After a series of experiments important phenomena have been ascertained.
  在一系列的实验之后，许多重要现象确实知道了。