introduction

• The introduction of "railway time" within countries didn't help very much .
  许多国家采用“铁路时间”并没有很大效果。
• Screening may have to be used prior to introduction to municipal sewage treatment plants .
  进入城市污水处理厂之前，必须进行过滤。
• The book gives an excellent up-to-date introduction to both lines of development .
  这本书对这两个发展方向都给出了最新的出色的介绍。
• About this theory cauchy is very explicit in his introduction to the 1821 work .
  对于这一理论高奇在他1821年著作的导言中说得非常明白。
• As introduction day approached, the dealers would keep their new cars under wraps .
  在临近介绍样车之日时，承销商会把他们新车严密地裹起来。
• The essence of such models is the introduction of lags in the adjustment of variables .
  这类模型的实质是在变量的调整中引进时间滞后的概念。
• Preventive control includes all measures taken to prevent the introduction and spread of weeds .
  预防性控制包括所有阻止杂草侵入和蔓延的措施。
• At this point his conclusions were denied by his introduction to an englishman .
  在这一点上，由于人家把他介绍给一个英国人而把他的结论给推翻了。
• The two pipes for the introduction of the hydrogen were fixed at the lower end of each balloon .
  在每一个气球的下部都装上了两根输送氢气的管子。
• The introduction emphasized the thoroughly evolutionary nature of modern astrophysics .
  在绪论中业已强调，现代天体物理学是彻底的承认演化的科学。