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

• At that point, the software ascertains market value and presents the user with a final price.
  这时软件便能确定移动设备的市场价值，并向用户给出最终价格。
• 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。
• 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。
• The first part expounds the connotation of the educational research idea and the modernization, and ascertains the basic connotation of the modernization of the educational research idea.
  第一部分在剖析教育研究观念和现代化涵义的基础上，探析了教育研究观念现代化的基本涵义，并认为教育研究观念现代化包括时间和价值两个维度。
• It ascertains the optimum grid granularity and density threshold on the basis of the situation in which dense and sparse grid is generated during the procedure of grid dynamical partitioning.
  在网格动态划分过程中，根据密网格和稀疏网格的产生情况，确定最佳网格粒度与密度阈值。
• 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；
• Part Three identifies the concepts of work engagement, work investment and responsibility through two studies, and ascertains the typical characteristics of work engagement, adopting feature distinguishing method and semantic analysis.
  第三部分采用特征对比法和语义分析法，通过两个研究分别对工作敬业与工作投入、工作敬业与责任心进行概念辨析，以确定工作敬业的典型特征。
• 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；
• First, analyses the environment changes faced by a knowledge-based enterprise in its development and problems encountered with in its practice of management and theoretical research on the background of the knowledge economy, and ascertains the issue of knowledge based enterprise growth as the main study subject.
  首先，分析在知识经济背景下，企业发展面临的环境变化和知识型企业在管理实践与理论研究中存在的问题，确定了将知识型企业的成长问题作为研究的主要内容。
• 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。