When the outside diameter of cylinder is infinite, the solution of cylinder problem will be made in infinite medium.

当圆筒外径为无穷大时，便得到无限介质中的筒腔问题的解。

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A transient state distribution of temperature within the infinite medium is assumed to induce the moisture transfer process.

假定无限介质内热源的存在引起周围多孔介质内温度的瞬态变化和水分的迁移和扩散。

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Propagation characteristics of longitudinal ultrasonic guided waves of steel rod embedded in infinite medium are studied in theory.

从理论上分析高频纵向超声导波在埋于无限大介质中钢杆传播的特性。

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He chose this because the supernova that created it blew a giant bubble, known as the Vela nebula, out of the surrounding interstellar medium, and that bubble is big enough to stand in for the infinite sheet of gas.

ECONOMIST: Pulsars: In a wink | The