现有

• Details are verified in guides and bibliographies, and checked against current holdings and orders .
  细节要按照指南和目录校核，还要核对现有的收藏和订购单。
• To evade existing antibodies, the virus may change one or several of these antigenic determinants .
  为躲避现有的抗体，病毒可能对一个或几个抗原定子加以改变。
• His study showed that most of the present atmospheric gases originated in each planet's interior .
  他的研究表明，现有大气中的大部分气体都来源于诸行星的内部。
• Many books are available covering the subject of digital engineering as applied to digital computer design .
  现有许多关于数字技术应用于数字计算机设计方面的书。
• Existing knowledge was the storehouse of the past; it had to be thoroughly explored and constantly extended .
  现有的知识只是过去的仓库，必须彻底探究并且经常扩充。
• How do present third world systems of education fit into this holistic view of the meaning of rural development ?
  如何使第三世界现有的教育体制适应农村发展的整体意图？
• The existence of displacement costs also counsels gradualism in the removal of existing trade barriers .
  由于转移费用的存在，因而建议在取消现有贸易壁垒时采用渐进主义。
• What it says is that existing laws of physics can account for a succession of expansions and contractions .
  它所要表达的是：现有的物理定律就能解释接连不断的膨胀和收缩。
• The evidence available does not inspire confidence that commodity policies can solve farmers' economic problems .
  现有的证据并不能使人确信商品政策能解决农民的经济问题。
• As a result of many such painstaking studies, our present knowledge of the oceans has accumulated .
  由于许多这类的艰苦研究，我们现有的关于海洋方面的知识才得以积累起来。