0 a large boat that is able to travel quickly above the surface of the water on wing-like structures -- 水翼船
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At this point, the pressure field around the non-cavitating or cavitating hydrofoil must be calculated.
For example, an airplane wing and a hydrofoil can be viewed as analogous because both generate lift using flow over their surfaces.
The main topics of the paper are: cavitation inception in either regime, hydrofoil saturation and the sweeping away of a cavity by bubbles.
Experiments on two-dimensional cavitating hydrofoils show important differences in global behaviour of flows according to the population of air nuclei conveyed by the liquid.
Avellan presented results of cavitation at the leading edge of a hydrofoil placed at an incidence angle with respect to the oncoming high-speed flow.
The dispersion of the nuclei is not fully achieved at the test section entry and both cavitating regimes can be juxtaposed on the hydrofoil upper side (figure 4, plate 1).
Close interest is taken in the possible advantages of introducing unconventional craft into the future fleet mixes—hovercraft, hydrofoils and fast patrol boats.
I remember the excitement not long ago at the development of the hovercraft and the hydrofoil.
控制你的情绪
What makes me angry?
什么事会让我愤怒呢?
Mostly,l hate when someone tries to make someone else feel bad.
通常这种情况下,当有人试图使别人觉得不舒服时,我会非常愤怒。
I have to admit that once, when l was actually called names.
我不得不承认,有一次我在实在很生气的时候骂了人。
l regretted doing this afterwards, but not full heartedly because l think l was provoked in that situation.
之后我很后悔那样做,但是我不认为全是我的错,因为我认为在那种情况下,我是被激怒了。
The most postive way of dealing with anger is talking about the problem.
解决愤怒的最积极的方法是把问题说出来。
l talk to someone who listens, or l'll write my thoughts down on paper.
我说给愿意听的人,或者把我的想法写在纸上。
Learning how to deal with anger as you're growing up is so important.
在你的成长过程中,学会处理愤怒是非常重要的。
When you're younger, you might yell,or cry when you're angry, but as you get older, you're expected to handle your emotions much better.
小时候,你生气的时候可以大喊大叫或者哭闹,但长大后,你被期望能更好地控制情绪。
Learning to control your emotion now will prevent you from doing something that you'll regret later on in life!
现在就学着控制情绪能让你避免做一些可能使你以后遗憾一生的事情。