NO01, A dive light is important when you do a night dive.

你夜潜时潜水手电筒是很重要的。

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On this day I also tested the ballast tank and did a very brief full submergence dive, in the limited light I could not see below the surface and lost sight of the sub right away.

这一天，我也测试了压载水舱，并没有一个非常简短的充分淹没下潜，在有限的轻，我不能见下文表面和抛诸脑后小组的权利。

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In the light of the poor anti-dive and anti-lift performances of a certain SUV, virtual prototype models of its front and rear suspension systems were built using the virtual prototype technique.

针对某SUV车抗点头和抗抬头性能较差，运用虚拟样机技术，建立其前后悬架虚拟样机模型。

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