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雷达天文方法
释义
雷达天文方法
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雷达天文方法
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method of radar astronomy
雷达天文方法
主动向天体(或人造天体)发出无线电波,并接收反射或折射的电磁波,通过对接收到的人工电磁波的处理和研究以探讨天体的空间飞行运动状态以及物理和几何结构。是射电天文学的一个分支。
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expansion of a determinant
expansion of a fraction
expansion of a function
expansion of a function in series
expansion of decreasing dimension
expansion of education
expansion of enrollment in colleges and universities
expansion of fixed assets investment
expansion of genetic code
expansion of the universe
expansion option
expansion parameter
expansion planning for electrical generating system
expansion rate
expansion ratio
expansion refrigeration
expansion rule
expansion silencer
expansion slot
Expansions on Three Theories: On Poetry
expansion test
expansion theorem
expansion thermometer
expansion time-scale
expansion tong
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