differential observation
[天文学英汉词典]
differential observation较差观测
用相同的探测器、方法和手段,对两个或多个天体的对比观测。
是什么意思,differential observation的解释,differential observation的翻译
[航海英汉词典] differential observation
differential observation
[天文学英汉词典]
differential observation是什么意思,differential observation的解释,differential observation的翻译
[航海英汉词典] differential observation