1、But the physics of radio astronomy means they are, nevertheless, relatively crude.
但是，射電天文物理學(xué)仍然認(rèn)為它們相對(duì)粗糙。

2、It comes from the National Radio Astronomy Observatory.
它是從國(guó)家射電天文學(xué)觀察臺(tái)開(kāi)發(fā)出來(lái)的。

3、THE RADIO ASTRONOMY SYSTEM FOR FENGYUN NO. 2 GROUND SATELLITE STATION
風(fēng)云二號(hào)氣象衛(wèi)星地面站天線射電天文測(cè)量系統(tǒng)

4、Radio astronomy today is armed with the largest antennas in the world.
射電天文學(xué)擁有世界上最大的天線。

5、Radio astronomy has in the last decade opened a new window on the physical universe.
射電天文學(xué)在過(guò)去的十年里在物質(zhì)的宇宙打開(kāi)了一扇新的窗戶(hù)。

6、Radio astronomy has greatly increased our understanding of the universe.
輻射天文學(xué)大大地增進(jìn)了我們對(duì)宇宙的了解。