1.
Radio astronomy today is armed with the largest antennas in the world.
射电天文学拥有世界上最大的天线。
2.
a leading American radio-astronomer,
美国一位重要的射电天文学家,
3.
Why can radio astronomers observe during the day, whereas optical astronomers are( for the most part) limited to nighttime observing?
译文:为什么射电天文学家可以在白天观测,而光学天文学家的绝大多数观测只能在夜晚进行?
4.
We are used to calling an instrument of this kind in optics a telescope, and the radioastronomical counterparts are therefore briefly named "radio telescope".
在光学上我们通常称这种类型的仪器叫望远镜，因而射电天文学上的对应物简称为“射电望远镜”。
5.
it must be known to any kind of radio-astronomer in the universe.
这个频率是宇宙中任何射电天文学家都应该熟悉的。
6.
The Effects of the Techniques and the Corresponding Background Theories in Historical Accomplishments of Radio Astronomy and the Consideration Toward the Scientific Growth and the Views of Philosophy of Science;
射电天文学历史成果中的技术作用和理论背景及其思考
7.
The mass of one of these suppressive black holes has recently been measured using radio astronomy.
对于这些有着巨大质量的黑洞，最近可利用射电天文学来测量它们的质量。
8.
Radio astronomers are now able to synthesize the response of a partially filled aperture of large diameter and thus to map variations in nebular brightness.
射电天文学家现在已经能够把部分充满的大直径孔径进行综合，从而描绘出星云亮度变化图。
9.
microwave radio astronomy radiometer
微波射电天文辐射计
10.
OVRO (Owens Valley Radio Observatory)
奥文斯谷射电天文台
11.
Radio Astronomy Explorer
“射电天文探险者”号卫星
12.
spectral line receiver in radio astronomy
射电天文谱线接收机
13.
sensitivity of radioastronomical receiver
射电天文接收机灵敏度
14.
In none of these respects does optical astronomy have any advantage over radio astronomy.
在所有这些指标上，射电天文并不比光学天文逊色。
15.
the branch of astronomy that detects and studies the radio waves emitted by celestial bodies.
天文学中对天体发射无线电波的侦察与研究的分支。
16.
Measurement method and analysis of electromagnetic environment in radio astronomic observatories
射电天文站电磁环境测量方法及分析
17.
balloon-based radio astronomy
气球观测无线电天文学
18.
high-energy and low-energy gamma-ray astronomy
高能与低能γ射线天文学