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1·What is primary or secondary stress?

什么是一次应力、二次应力？

2·General three-syllable words have secondary stress it?

一般三个音节的单词有次重音吗？

3·The source of pipe line secondary stress check condition is the stability condition.

管道二次应力校核条件来源于结构的安定性条件。

4·If a word has three or more syllables, there is a primary stress and a secondary stress.

如果一个词有三个或更多的音节，有一个主应力和二次应力。

5·In stress analysis of petrochemical pipe line, the secondary stress check is the one of basic strength check.

石化管道应力分析中，二次应力的校核是最基本的强度校核之一。

6·Phonetically, the stress of a compound always falls on the first element, while the second element receives secondary stress.

在语音上，复合词的重音总是在第一个构成成分上，而次重音在第二个构成成分上。

7·The bending stress and the stress increment of uneven loaded wire stress above the average stress are taken as secondary stress in the thesis.

本文研究的次应力包括主缆局部弯曲应力和超出平均应力的钢丝不均匀应力增量。

8·It is also improper that secondary stress is totally substituted by axial stress when checking fatigue safety, because such design is too conservative.

计算分析还发现，将次应力与轴向应力等同进行疲劳检算不恰当，将次应力全部当成轴向应力考虑的设计过于保守。

9·Then, the intensity limitations for the displacement stress and secondary stress used in the piping design codes and the pressure vessel design codes were discussed.

然后，对管道设计规范和容器设计规范中针对位移应力和二次应力的强度条件进行了讨论。

10·When two-syllable prefixes form a word of four or more syllables, there is usually secondary stress on the first syllable, not stress on the second, and primary stress on the third.

如果双音节的前缀成为一个有四个或更多音节的单词的一部分，次重音通常放在第一个音节，而不是在第二个音节，强重音则是在第三个音节。