The paper mainly discusses the shearing bending of beam and the veracity of the hypothesis that there is no direct stress between the longitudinal fibers.

本文主要讨论梁横力弯曲，忽略纵向纤维间无正应力假设的准确性。

youdao

Stress may also contribute to disease in less direct ways by influencing moods and behavior.

压力也可能以影响情绪和行为这些不那么直接的方式而导致疾病。

youdao

The researchers theorize that depression might have some direct physiological impact on the heart - like causing it to work harder in the face of stress.

研究者创立了一个理论——抑郁可能对心脏有直接的生理上影响，像在面临紧张的时候心跳会加速。

youdao

This is of particular concern because there's a direct link between stress, anxiety, depression and chronic disease.

CNN: Stress may be causing your cravings

Drugs, food and habitual behaviors all have a direct effect on the biology of stress.

CNN: Stress may be causing your cravings

Military experts have long said one of the enduring challenges is that there doesn't appear to be a direct link between suicides and the stress of being in the combat zone.

CNN: 325 Army suicides in 2012 a record