Looking at very distant masers or galaxies is like looking at a photograph taken ages ago.
观察非常遥远的脉泽或者星系就像在观察很多年以前的照片一样。
The most likely and obvious radiative connection between the infrared and the masers is through the mechanism of radiative pumping of the maser.
红外辐射及微波激射间最可能而又明显的辐射联系是通过微波激射的辐射抽运机制实现的。
By observing the same regions at different times of year, Reid and colleagues were able to discern slight changes in the masers' position, which revealed their distance from Earth.
通过在一年的不同时间里观测同一区域，Reid和他的同事可以辨别出脉泽所在位置的微小变化，而这种变化显示了它们到地球的距离。
The electromagnetic instability of the system was analyzed, and compared with other electron cyclotron masers.
论证和分析了该系统电磁不稳定性的存在及其特征，并与其它电子回旋脉塞进行了比较。
In the kinetics of electron cyclotron masers, the method based on the local field expansion in the guiding center frame has many advantages.
在电子回旋脉塞动力学理论中，以电子回旋中心坐标系中场的局部展开为基础的方法有很大的优点。
The other water masers of vibrational ground state and the emissions and absorptions of vibrational excitation states became detectable due to the advance of science and technology.
由于科学技术的进步，振动基态的一些其他水脉泽，振动激发态的一些发射线与吸收线已变得可以探测。
The other water masers of vibrational ground state and the emissions and absorptions of vibrational excitation states became detectable due to the advance of science and technology.
由于科学技术的进步，振动基态的一些其他水脉泽，振动激发态的一些发射线与吸收线已变得可以探测。
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