Firstly, the maximum shearing stress envelope line was put forward to replace section line.
首先提出采用最大剪应力包络线来代替剖面线。
The relations between birefringence and envelope radius, birefringence and core radius, birefringence and the area of stress are simulated.
由此结果对双折射与包层半径、纤芯半径、和应力区面积大小之间的关系进行了模拟。
Concrete stress-strain curves under cyclic loads include not only envelope curve, but also unloading and re-loading curves.
混凝土的反复加载应力-应变曲线不仅包括骨架曲线,还包括卸载及再加载曲线。
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