实验表明凡士林防水性能良好，适合作预防光缆接头盒浸水材料。
The experiments show that vaseline has good water proof function and is suitable to be the material of preventing cable joint box soaking.
方法：采用浸水-束缚（WIR）应激实验复制大鼠应激性溃疡模型。
Methods:Water immersion restrain (WIR) experiment was applied to replicate the stress ulcer model in rats.
实验证明，当物体浸水深度超过三倍直径之后，惯性参数几乎是常值。
Experiments show that the parameters are nearly constant when the depth of immersion of the body is greater than three times the diameter.
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