从某种意义上讲，他们似乎是宇宙人，同我们这些凡夫俗子形成了鲜明的对照。
It's as if they were, in some sense, cosmic beings in violent and lovely contrast with us suburban creatures.
如果和食肉的对照组宠物狗进行比较，这个调查将会更有意义。
Comparison with a control group of meat-eating dogs would render this study even more meaningful.
结果接触组眼部自觉症状、结膜充血和翼状胬肉的检出率明显高于对照组，并有统计学意义。
Results The detectable rate of symptoms, conjunctiva congestion and pterygium were significant higher in exposed workers than those in controls, with statistical significance.
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