引入

• To calculate the aging of the twin, it is useful to introduce the concept of proper time .
  为了推算孪生子的衰老，引入原时概念是有用的。
• The concept of transference was formally brought into psychiatry by sigmund freud .
  移情这一概念是由西格蒙德弗洛伊德正式引入精神医学的。
• In addition new borers and fungi have been introduced on imported materials .
  此外，许多新的木材玷孔虫和腐朽菌也随进口木材引入了这些国家。
• The first exponential has been introduced to allow for variation of amplitude with attitude .
  前面的指数是为了考虑波动振幅随高度变化而引入的。
• It is necessary to explicitly introduce chemical kinetic limitations into the envelope flame model .
  显然必须把化学动力学限制引入外边层火焰模型。
• The ratio of cross-links to branches may be varied by altering the incidence of chain transfer .
  通过改变引入的链转剂就可以改变交联与支链的比例。
• Colonization of a calcareous stripmine spoil by earthworms promoted incorporation of organic matter .
  在石灰质露天矿引入蚯蚓，可促进有机物的结合。
• The "human error" involved is often considerable because sensitivity to different colors varies .
  由于视觉随不同颜色而变化，故常引入“人为的误差”。
• On april 12, 1969, to bring matters to a head, i sent the president a memorandum .
  1969年4月12日，为了把事情引入决定性阶段，我向总统提交一份备忘录。
• In the car engine, air mixed with petrol is taken into a confined space and compressed .
  在汽车发动机中，与油混合的空气被引入一个封闭的空间并被压缩。