“球心投影”的概念、定义、翻译、参考文献-科学参考

单词	球心投影
释义	球心投影 Encyclopedia 工学方位投影释 gnomonic projection球心投影视点位于地球球心，投影平面与通过视点的直径相垂直，与地球面相切或相割的任意性质的透视方位投影。又称日晷投影。
随便看	frequency and duration method frequency approach frequency attribute frequency band frequency bandwidth constraint frequency bridge frequency calibration frequency capture frequency centre frequency characteristic frequency characteristic of sound pressure frequency chart frequency chirp frequency coding frequency collapse frequency comparision frequency compensation frequency conversion frequency conversion circuit frequency conversion technique frequency conversion transformation of fan and water pump frequency converter frequency counter frequency criterion frequency curve

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