单词：radio astronomy
radio astronomy的用法和样例：
例句
- 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。
- The mass of one of these suppressive black holes has recently been measured using radio astronomy.这些有着巨大质量的黑洞，最近利用了射电天文学来测量它们的质量。
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