特性伦琴射线 fluorescent x rays ; characteristic x rays
散射特性曲线 scattering characteristic
特性X射线 characteristic X-rays
特殊射影线性群 [数] projective special linear group
特性红外线辐射探测 [红外] characteristic infrared radiation detection
辐射特性曲线 Strahlungskennlinie
反射器特性曲线 [电子] reflector characteristic
发射特性曲线 emission characteristic curve
X射线特性 X-rays characteristic
仰角反射特性曲线 elevation coverage diagram
现将阴极射线的一些特性开列如下。
将放射性物质放入钻孔中然后测量放射线穿过周围岩石的特性，可以提供地下物质的更详细信息。
Lowering radioactive material into a borehole and measuring how well the radiation passes through the surrounding rock provides more information about what's down there.
理论上采用射线近似方法分析了时间反转声场特性，实验上在实验室内开展了水下波导的超声模拟实验。
The ray approach is adopted to study the acoustic field in theory, and the ultrasonic experiment has been carried out in laboratory to model the underwater waveguide.
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