Soft pitch is a black solid at a certain temperature , it will be solidified into a brittle solid with shell-like fracture.
常温下为黑色固体，在一定的温度下凝固成很脆的具有贝壳状断口的固体，呈玻璃相；
The present paper explores new and more profound approaches, namely microscopic and nanoscopic fracture mechanics, to unlock the black box of fracture process zones.
本文探索打开断裂过程区的黑匣子之更深层次的研究——即细观断裂力学与纳观断裂力学。
Objective In order to observe the curative effects that black jade dipsacus cream cure bone fracture.
目的观察黑玉续断接骨膏治疗骨折的疗效。
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