Large voids are found surrounding stacks of paper.
在纸堆周围可找到很大的空间。
Beyond even these in scale are the filaments and voids.
在这些规模之上的，是丝状体和更广大的空间。
Rescue workers should know how to locate and search these voids.
救援人员应知道如何定位和搜寻这些塌陷空腔。
Prominent flow voids can also be seen.
也可以看到明显的流空信号。
Flow voids are often seen in these very vascular tumors.
在这种富血供的肿块中流空是常见的。
Be careful how you remove debris and obstacles, especially from voids, to prevent further collapse.
移走瓦砾或者阻碍物的时候要当心(特别是在空隙中)，以免发生进一步的坍塌。
Be careful how you remove debris and obstacles, especially from voids, to prevent further collapse.
移走瓦砾或者阻碍物的时候要当心(特别是在空隙中)，以免发生进一步的坍塌。
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