The paper provided with a method to calculate the pre-stress loss caused with systolic stress in the outside of pre-stress force.

本文针对体外预应力混凝土简支梁的受力、变形特点，提出了计算体外预应力结构中收缩徐变产生的预应力损失的基本方法。

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This thesis investigated the effect of the stress loss of vertical prestress on the development of skew cracks and proposed the important issues in the design and construction of PC Bridges.

裂缝产生的原因很多，本文主要从预应力损失及其效应的角度来探讨这个问题，希望能对同类桥的设计和施工有所帮助。

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Under the stress of competition, steamer was added to steamer, loss piled on loss, while the income dwindled till it ceased to be worth while to print tickets.

在竞争的压力下，轮船一艘艘增加，亏损越来越大，而收入却逐渐减少，最后连印船票都不值得了。

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Adding stress may be loss of a professional identity with retirement, and the role reversal that happens when children start taking care of older parents.

MSN: Boomers will be in need of mental health care, report finds

If it's not perimenopause, it could be stress, severe weight loss, or extreme weight gain, all of which can knock your hormones out of whack.

CNN: Your period: What's normal, what's not, what to do

Has your loved one recently experienced significant stress, conflict or loss?

CNN: Transient global amnesia