microarcsecondsCOCA³¹⁵¹¹¹⁺⁴ 基本例句 🌏微角秒 The increasing accuracy of modern observations requires to take into account its influence on the nutation amplitudes at the level of a few microarcseconds. 随着观测和计算精度的提高，地球动力学扁率值的不一致将影响章动振幅的计算。 d.wanfangdata.com.cn