The effects of beam focusing and vacuum condition on the conversion are investigated experimentally.

实验研究了光束聚焦情况和真空度对光电转换效应的影响。

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The practice demonstrates that the prediction to adverse geologic condition in front of the heading face by boring radar and BEAM electric method, especially to water-holding condition, is satisfied.

实践表明，采用钻孔雷达和BEAM电法探测技术对隧道掌子面前方的不良地质情况，尤其是含水情况具有较好的预测结果。

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This paper discusses the solvability of an elastic beam equation under asymptotic nonuniform nonresonance condition.

在弹性梁方程满足渐近非一致非共振条件时，讨论了方程解的存在性。

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In this, the stream of video and audio data is recorded as a series of minuscule spots on the disc's surface that have been gently fried by a laser beam and turned from their normal crystalline condition to an amorphous state that has different reflective properties.

ECONOMIST: Digital video discs