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

• 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。
• 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。
• 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。
• We ascertained that he was dead.
  我们断定他已死了。
• We need to ascertained that the knew the victim.
  警察已查明他认识受害者。
• 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。
• Not capable of being definitely decided or ascertained.
  不能被明确的决定或者确定。
• I ascertained the disease to be diphtheria.
  我确定该病为白喉。
• These can be ascertained either from the IBM verbose output or from a Javadump.
  可以从IBM的冗余输出或从Javadump中确认这些信息。
• The occurrence rules of rice planthopper in rice field with cultural crab was ascertained through systemic investigation and field census.
  通过系统调查和大田普查相结合的方法，研究明确了养蟹稻田稻飞虱的发生规律。