n. semicolumn
... semicirculararch半圆拱 semicolumn半柱状 semidiameter半径 ...
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半圆柱状的 half-terete
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针对声波测井薄层探测的需要，用半解析方法求解了地层为水平多层介质时柱状井孔内脉冲点源激发的声场。
The acoustic wave field excited by a pulsed point source in a fluid-felled borehole surrounded by horizontal multiple-layered media is solved by the send-analytical method.
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