2010年版ow教材附录潜水员常用英语单词（简体版... ... surface floats 水面浮具 surface interval 水面休息时间 surface snorkeling 水面使用呼吸管 ...
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The polarity of impulse voltage and the polarity of insulator surface electric charge can affect the corona initial time of insulator, the change time - interval and the corona current.
外拖冲击电压的极性与绝缘子表面电荷极性是否相同会影响绝缘子的电晕起始时刻、由流注向先导的转变时间间隔和流注电晕电流。
Despite their short time on Earth, however, people have brought about enormous changes to the surface of the planet - changes far out of proportion to the interval of time they have occupied it.
然而，尽管在地球上的时日尚短，人类却已给地球表面带来了巨大的变化——这些变化与人类占据地球的短暂时间相比，是远远不成比例的。
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