OK, so for a given, x, the range of y is, y 0 It's still zero.
对于给定的x，y的取值范围是。。。,的最小值？，well，，so，what’s，the，lowest，value，of，y，that，we，want，to，look，at？,仍旧是。
The low value range of Y-ray spectrometry covers 75% of the area of known oil field.
能谱测量的低值区范围与已知油田在本区的面积重合率达75%。
The low value range of Y-ray spectrometry covers 75% of the area of known oil field.
能谱测量的低值区范围与已知油田在本区的面积重合率达75%。
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