restrict

• A law of physics is a statement of fact, usually about a restricted range of phenomena .
  物理学定律是事实的陈述，通常是关于一个限定范围内的现象。
• The term crude oil is restricted to liquid mixtures of hydrocarbons and related compounds .
  原油这个术语是指烃类和与烃类有关的化合物的液态混合物。
• Trade was restricted by an elaborate array of taxes and prohibitions on imports and exports .
  贸易受到一系列精心制定的进出口税和进出口禁令的限制。
• Moreover, military appropriations during the thirties had restricted training to a unit basis .
  在本世纪三、四十年代中，美国军费仅以训练部队骨干为满足。
• Some of these methods are rather delicate, however, and their application is restricted to simple cases .
  其中某些方法颇费周折，故其应用仅限于简单的情况。
• Nations can restrict their foreign trade by erecting barriers to exports as well as imports .
  象设置进口壁垒那样，各国可以通过设置出口壁垒来限制对外贸易。
• More commonly though, the sulfide is restricted to solid aggregates filling the space between the paths .
  硫化物通常只局限为固体集结物充填在这些途径中间。
• The degradation or assimilation of fatty materials is often restricted because of their relative insolubility .
  脂肪物质因其溶解度低，分解作用和吸收作用常受限制。
• He berated me for letting down the president by not restricting the number of nsc participants .
  他训斥我没有限制参加国家安全委员会会议的人数，这样办事对不起总统。
• The holes themselves have a restricting or stabilizing effect because flow may become sonic .
  因为这时流动可成为音速流动，所以这些小孔本身有一种节制作用或稳定化作用。