gamma ray background造句
造句与例句
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- An example would be detection of radioactive contamination in a gamma ray background, which could increase the total reading above that expected from the contamination alone.
- It was not until the 1960s that major problems with the Steady State theory began to emerge, when observations apparently supported the idea that the universe was in fact changing : quasars and gamma ray background from the annihilation of protons and antiprotons and X-ray emitting gas from the creation of neutrons.
- It's difficult to see gamma ray background in a sentence. 用gamma ray background造句挺难的
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