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 Analyses influencing extent of all kinds of factors to economic specific frictional resistance and ascertains sensitive factor and no sensitive factor that effect specific frictional resistance.
  分析了各因素对经济比摩阻的影响程度，确定了经济比摩阻的敏感性因素和不敏感性因素。
• 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。
• Ascertains the relation between entities in knowledge base of assembly unit partition;
  以装配工艺快速设计支持系统的知识库结构为基础，明确了装配单元划分系统知识库中实体间联系；
• 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。
• 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。
• Secondly, the neural network theory is discussed briefly in this paper. At the same time, the paper analyses the two forward-type networks detailedly and also ascertains their differences.
  其次，本文对神经网络理论进行了简要的阐述，并对两种前向型网络进行了详尽的分析，也对这两种网络的差异进行了探讨。
• Direct measurement of seismic attenuation ascertains that fluid motion is a primary mechanism in porous, permeable elastics.
  地震波衰减机制和测量方法研究表明，在孔隙和渗透性碎屑岩中，流体运动是衰减的主要机制。
• 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。
• 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。