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。
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