According to momentum equation and energy equation, the flow phenomena of the internal hydraulic jumps were analysesed for stratified flows in a channel with slop down or slop up.
本文对于正坡和反坡两种情况，根据上、下层的动量方程和能量方程分析了两层液体的内水跃流动现象，研究并得出了不同流动情况下发生内水跃的条件。
The good news is that a combination of sunscreen and covering up can reduce melanoma rates, as shown by Australian figures from their slip slop slap campaign.
好消息是，防晒霜和遮盖物的结合可以降低黑色素瘤的发病率，这一数据来自澳大利亚的 slip slop slap 运动。
The good news is that a combination of sunscreen and covering up can reduce melanoma rates, as shown by Australian figures from their slip-slop-slap campaign.
好消息是，防晒霜和遮阳两种方式结合在一起可以降低黑色素瘤的患病率，澳大利亚人在日光浴前的准备活动就证明了这一点。
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