...中等质量 英文名称： ISO general purpose metric screw threads; Tolerances; Part 2 : Limits of sizes for general purpose bolt and nut threads; Medium quality 版本： 附注： 标准状态： 现行 载体： 纸本 中国标准分类： 【J04】 国际标准分类(ICS)： 【21.040.
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... fail to deliever goods at the time stipulated 不如期交货 fair quality 中等质量 fancy price 不合理价格 ...
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少数几个中等质量的黑洞已经被发现了，但是科学家们还不能肯定它们是怎样形成的。
Few such middling black holes have been discovered, and scientists aren't sure how they form.
天文学家长期怀疑球状星团中包含中等质量的黑洞，但至今一直没它们存在的确凿证据。
Astronomers have long suspected globular clusters contained intermediate-mass black holes, but there has been no conclusive evidence of their existence there to date.
这导致研究人员怀疑一个迷途的白矮星离某个中等质量黑洞太接近了，并受其潮汐引力的撕扯。
This leads the researchers to suspect that a whitedwarf star strayed too close to the intermediate-mass black hole andwas ripped apart by tidal forces.
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