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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Composite materials with doubly periodic rigid line inclusions under antiplane shear in an infinite medium are discussed.

研究无限介质中含双周期刚性线夹杂复合材料的反平面问题，其基本胞元含有四条不同长度的刚性线夹杂。

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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