On the negative side, the concepts of activation and arousal are rather amorphous . 从消极方面说，引发和激发这两个概念是很难以捉摸的。
In general ionic polymerization can be initiated through acidic or basic compounds . 一般来讲，离子型聚合可以被酸类或碱类化合物所引发。
A cost reduction program can be regarded as a continuous campaign to solicit change . 可以把降低成本规划看作是引发改革的一个不断继续的运动。
After the crew explored the moon, they would blast off in their spaceship and head back to earth . 宇宙航行员勘探月球以后，他们会在太空船里引发火箭，回到地球。
It is also clear from figure 3. 12 that the enhancement of the rate of initiation depends on the nature of the additive . 从图312也很明显地看出，引发速度的增量取决于添加剂的性质。
The synthesis isotactic polymers is usually only possible by means of special stereospecific (stereoregulating)initiators . 通常只能用特殊的立体定向（立体调节）引发剂来合成等规聚合物。
Blind impulses sometimes lead to destruction and death, but at other times they lead to the best things the world contains . 盲目的冲动有时导致毁灭和灭亡，但有时也可以引发世界上最好的事情。
Reports in the literature suggest that these derivatives can initiate various types of polymerizations in suitable circumstances . 文献中的报道指出，这些衍生物在适宜的条件下可以引发出多种聚合反应。
