Based on a number of experiments on equivalent materials and field observation, the break and moving features of separative roof in a large area has been analyzed.
基于相似材料模拟实验与现场矿压观测，本文分析了大面积剥离顶板的断裂与运动特点。
Under the condition of propagating along strong wind, large number of waves cannot reach the observation height, due mainly to critical coupling.
在强顺风场作用下，由于风场引起的捕获，大量重力波不能传播到观测高度。
However, correlation with the ultimate outcome - cancer prevention - will require the long-term observation of a large number of treated women.
然而，与最终结果相关的—肿瘤预防法—需要对大量的接受治疗的女性作长期的观察。
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