ascertains

英 [ˌæsəˈteɪnz]

美 [ˌæsərˈteɪnz]

v.  查明; 弄清
ascertain的第三人称单数

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。

双语例句

• The paper establishes comprehensive judgement system to the reliability of the fire protection system in underground business constructions, investigates and analyses the calculational evaluation method of the reliability of automatic sprinkling system and fire alarm system primarily and ascertains the reliable grade at the same time.
  建立了地下商业建筑消防系统可靠性综合评价系统，并重点分析研究了综合评价系统中的自动喷水灭火及火灾自动报警分系统的可靠性计算评价方法，确定了其可靠性等级。
• Ascertains actual pitch value of six citation tones by methods of experimental phonetics, and explains differences of the tonal pattern.
  通过实验语音学的方法确定了华阳话单字调的实际调值，并对其声调格局中存在的分歧做了解释。
• In the midst of a personal crisis, junior senator Maggie Davidson ( Holly) ascertains that she's the subject of a terrorist plot.
  年青参议员玛吉戴维森处在个人危机中，她查出自己成了恐怖分子计划中的目标。
• Secondly, after it analyzes and compares several techniques of SVM, it ascertains the suitable techniques required in the forecast of coal mine underground water table, and explains the necessary theory to them.
  其次，在对支持向量机的多项技术进行深入分析和比较之后，确定了适合煤矿地下水位预测所需的各项技术，并对其进行了必要的理论说明。
• Finds out mapping relations and ascertains conversion arithmetic between RDB and XPDL;
  研究了XPDL规范；进而找出RDB和XPDL之间的映射关系并且确定转换算法；
• Sven quits in disgrace after daily mirror undercover sting ascertains that he was sleeping with the snake the whole time.
  在每日镜报证据确凿的披露他一直与蛇睡在一起后，他很不体面的退出了。
• It ascertains the size of the construction stress by back analysis of displacement.
  通过有限元位移反分析研究确定了露天采场构造应力的大小；
• Make a concrete analysis as follows: Firstly, the paper introduces the natural overview of agriculture and pasture interlaced region of Gansu, ascertains the intension of sustainable development in this area, and appraises the sustainable development level according to qualitative analysis and quantitative angles.
  首先介绍了甘肃省农牧交错区的地域概况，明晰了农牧交错区可持续发展内涵，从定性和定量两方面对本区可持续发展水平进行了评价。
• This paper discusses the affecting factors of friction charge process, analyzes the two phases flow properties in friction device and ascertains the equation of mineral particles air transportation.
  文章讨论了摩擦荷电过程的影响因素，对荷电器内的二相流运动特性进行了分析，确定了气流输送下矿粒的动力学方程。
• This paper puts forward a basic method to determine the marketing basic points of iron& steel enterprise; and ascertains the basic points of the marketing according to the core factors of the steel industry, the steel marketing and the steel market-structure.
  文章提出了确定钢铁企业营销基本点的一个基本方法，并从钢铁工业核心要素、钢铁市场营销核心要素、钢铁市场结构核心要素等3个方面确定了钢铁企业营销基本点。