The submersible Alvin investigates the Cayman Trough, a transform boundary on the floor of the western Caribbean Sea.

阿尔文潜水器研究开曼群岛海槽，这是西部加勒比海底面上的转换边界。

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Going into another crisis of this scale, absolute capital levels would need to be at least double the existing minimum level to avoid breaching that floor at the trough of the cycle.

在即将陷入这样大规模的金融危机时，绝对资本需要比现有最低水平标准的至少两倍，才能避免违背最低标准，度过危机。

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The arc wiring duct to call the floor trough, it changes the traditional ground wiring way, can solve well skids the floor threading difficulty, easy for construction, reduces the expense.

弧形线槽称地板槽，它改变了传统的地面布线方式，能很好地解决撬地板穿线困难，方便施工，减少费用。

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