differential observation
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