In experimenting we find out that sound travels with different velocities through different substances.
在实验中,我们发现声音以不同的速度通过不同的物质而传播.
《现代汉英综合大词典》
A gas in thermal equilibrium has particles of all velocities.
处于热平衡的气体,其粒子有一切速度.
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At high gas velocities the circulation of solids becomes appreciable.
在高气速时,固体颗粒循环变得显著了.
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Zero velocities on the cylinder were satisfied at the node points.
圆柱上速度为零在节点上满足.
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The velocities are independent of hydrostatic pressures.
速度与流体静压力无关.
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Pneumatic conveying requires comparatively high gas velocities.
气力输送需要比较高的气体速度.
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The nitroalkanol imparts improved sensitivity and detonation velocities.
硝化烷醇提高了感度和爆速.
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From the extent of the red shifts the recession velocities can be computed.
从红移量可以计算退行速度.
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The curve can be traced out in different directions or with different " velocities ".
曲线可以从不同的方向和由不同的 “ 速度 ” 来形成.
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At higher gas velocities the rising bubbles cause the observed churning, mixing, and flow of solids.
在较高气速下,上升气泡就造成了所观察到的搅动 、 混合及固定颗粒的流动.
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Good agreement was found between measured and calculated results for low water flow velocities.
发现低水流速度测定的和计算的结果之间十分一致.
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It can monitor the instantaneous velocities at specified points in a flowing stream.
它能在流动的流注中的指定点上监测瞬时速度.
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The hydrometric pendulum is sometimes used to determine flow velocities in open channels.
测流速的摆锤有时用于确定明渠中的流速.
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The higher modes have shorter periods than the fundamental mode and, moreover , they have higher velocities.
高振型波比基阶振型波周期短, 波速高.
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For low carrier - gas velocities the HETP may become large owing to molecular diffusion effects.
载气线速低时,HETP是靠分子扩展影响而变大.
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