The orientation of disturbance factor vector is the same as that of vector of material unit stress.

扰动因子向量的方向与材料单元体应力主方向相同。

youdao

Based on the fact that forces are vectors, the key problems of the vector sum method are the state of real stress distribution and potential sliding direction of slopes.

矢量和分析方法是基于力是矢量这一基本概念的分析方法，其关键在于确定边坡真实应力分布状态及整体下滑趋势方向。

youdao

The results show that the effect of alternate load on surface residual stress relaxation of aluminum alloy plate mainly depends on the vector superposition of load stress and residual stress;

结果表明：交变载荷对铝合金板表面残余应力松弛的影响主要取决于加载应力与残余应力的矢量叠加；

youdao

What health scientists are telling us is that climate change will bring increased asthma, more virulent allergens, medical emergencies from heat stress, the spread of water- and vector-borne diseases and increased severe weather events.

FORBES: What does Climate Change Have to Do With Health Care?