effective head
有效落差：指水利工程中的有效水头或有效扬程。
常用释义
英式发音
美式发音
基本释义
- 有效落差：指水利工程中的有效水头或有效扬程。
例句
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1·The findings could help design more effective head protection for humans.这一发现可能有助于为人类设计出更有效的头部保护装置。
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2·The additional effective head due to the potential energy converted from the residual energy at the intake after blasting is also discussed.文中还对岩塞起爆后，爆炸余能在进水口转化为位能所引起的附加作用水头进行了探讨。
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3·In this range of air-water ratio the flow rate of mixture slightly decreased, the axial power increased linearly and the pump efficiency increased parabolically with a rise in effective head.在稳定工作区范围内，不同的含气量条件下，随着排出压头的增加，混合液总量稍有下降，轴功率直线上升，效率呈抛物线变化。
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4·Wearing a helmet is the single most effective way of reducing head injuries and fatalities resulting from motorcycle and bicycle crashes.带头盔是减少由摩托车和自行车撞车造成的头部损伤和死亡的单一最有效办法。
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5·Preventing head injury is the most effective way to prevent post-traumatic epilepsy.防止头部受伤是预防外伤后癫痫的最有效方法。
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6·The concepts are actually not complicated, and with a few simple algebraic tips you will be able to do the math in your head as well, leading to more effective negotiation.其实概念一点儿不复杂，只要有些简单的代数知识，你也能心算，这样谈判起来就更有效了。
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7·One of the most effective speed reading techniques is to visualize the ideas on the page as pictures in your head.最有效的快速阅读技巧之一就是在大脑中视化纸上的内容。
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8·Merkel insisted that only by establishing limits on carbon dioxide output per individual around the world — suggesting about 2 tons per head — could the fight to stop global warming be effective.默克尔相信，只有我们为每一位地球公民设定二氧化碳排放限额——比如说每人两吨——我们才能最有效的抑制全球变暖。
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9·This is also why dumping a glass of water on your head isn't very effective.这也是为什么往头上泼一杯水没什么作用的原因。
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10·The bear is not yet on sale - and whether or not a robotic paw reaching up to turn one's head over is any more effective than one's partner shoving the person remains to be seen.这种机器熊尚未上市销售——机器熊用爪子翻转头部是否比伴侣直接推搡更加有用，还有待观察。