Let this be the angle d theta so it moves in a short amount of time over an angle d theta dS and the arc here is dS, R and the radius is R.
这是角度dθ,它运动了一会儿,运动过角度dθ,弧度是，半径是。
A sand retention screen with large radius and high permeability near the wellbore can be formed by high liquid production and the large amount of sand.
管外高压充填防砂增液技术通过高液量和大砂量在近井地带形成大半径、高渗透的挡砂屏障；
The chloride amount adsorbed is related to cation valence and radius.
氯化物的吸附量与阳离子的价数，离子半径等因素有关。
The Kepler spacecraft may help settle the question, because even the limited amount of information it can glean about planets—their mass and radius—is enough to tell their general composition.
开普勒太空船可能可以帮助解决这个问题，因为就算它只能提供有限的资料：质量和半径，它都足够让我们知道恒星的一般成份。
The target becomes a Beacon of Light to all targets within a 40 yard radius. Any heals you cast on those targets will also heal the Beacon for 100% of the amount healed.
使目标成为他周围40码范围内所有人的圣光信标，当你治愈这些目标时，信标也会同时获得相当于100%的治疗量。
Through large amount of lab experiments, the relation of oil boundary layer thickness with capillary radius, pressure gradient, fluid viscosity and its composition has been discussed.
通过大量的室内实验，探讨了原油边界层厚度与毛管半径、压力梯度、流体粘度和组分的关系。
Through large amount of lab experiments, the relation of oil boundary layer thickness with capillary radius, pressure gradient, fluid viscosity and its composition has been discussed.
通过大量的室内实验，探讨了原油边界层厚度与毛管半径、压力梯度、流体粘度和组分的关系。
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