effective head

基本解釋

The findings could help design more effective head protection for humans.
這一發(fā)現(xiàn)可能有助于為人類設(shè)計(jì)出更有效的頭部保護(hù)裝置。
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The additional effective head due to the potential energy converted from the residual energy at the intake after blasting is also discussed.
文中還對(duì)巖塞起爆后，爆炸余能在進(jìn)水口轉(zhuǎn)化為位能所引起的附加作用水頭進(jìn)行了探討。
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.
在穩(wěn)定工作區(qū)范圍內(nèi)，不同的含氣量條件下，隨著排出壓頭的增加，混合液總量稍有下降，軸功率直線上升，效率呈拋物線變化。

The six-person team has identified an empty market around the excessive number of sports concussions, and are using technology to build a minimal, but effective head guard.
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Weedon is a teen-ager from the Fields, the housing project near Pagford, and she is the effective head of a household that includes a younger brother and their mother, a heroin addict.
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They may be more effective at getting inside his head to redirect his energy back to tackling running backs rather than stomping linemen.
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