“Trapezium of Orion”的概念、定义、翻译、参考文献-科学参考

单词	Trapezium of Orion
释义	Trapezium of Orion Encyclopedia 理学最亮星表释 Trapezium of Orion猎户四边形位于猎户座大星云M42（见梅西叶星表）中央的疏散星团，其中的4颗亮星构成一个不规则四边形，因而得名。又称猎户四边形星团。 Astronomy Trapezium of Orion猎户四边形天体
随便看	Doppler motion Doppler navigation radar Doppler navigation sonar doppler navigation system doppler observation doppleron doppler orbit determination and radio positioning integrated on satellite，DORIS Doppler parameter Doppler peak doppler point positioning Doppler Polar Monitoring Service Doppler positioning doppler positioning by the short arc method Doppler profile Doppler radar Doppler ranging Doppler receiver Doppler relation Doppler shift Doppler shift attenuation method Doppler shift attenuation method DSAM Doppler-shift measurement doppler sonar Doppler spread Doppler system with double frequency

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