It is important to present the calibration graphs in investigations such as these as the shape of the graph can be useful to other researchers. Indeed, it is not clear from the text how the limits of the linear range were determined. Do the graphs roll over at either end or are these limits set because no solutions outside this range were investigated?
我对审稿人意见的理解（不太确定）: 1 审稿人认为我应该把定标曲线以图的形式画出来(而我查阅了大量文献发现基本上都是文本的描述,比如y=aX+b,在本文中我也是如此) 2 审稿人认为我的线性限定义的不清楚（都是怎么定义的？） ３审稿人的疑问是：是否我只是对我线性范围之内的样品进行了测定？（我不太懂这句话：Do the graphs roll over at either end or are these limits set because no solutions outside this range were investigated?）
我的理解是 第一句，对方要你附上校正曲线，因为shape是很重要的，这一点也无可厚非。第二句，对方认为你的文中并没有交待清楚你的线性范围是怎么定出来的。第三句，实际上是接着上句，主观地对你如何确定线性范围做了两种猜测，A or B，是不是在任何一边的边界处roll over（反转？这个词实在不解，可能是老外的一种较新的用法吧）了？还是你没做范围之外的点？我以为这句话不用多睬，你能把第二句的问题解决清楚就行了。
Under optimized experimentation conditions:...........,Different concentrations of standard solutions of *** and ***** were analyzed. Calibration is linear over concentration range of 0.03-1, 0.05-1.2 g ml-1 for *** and *****. The calibration equations and regression coefficients were: y=1438(±40) x + 32(±13) and R=0.998 for ***, y=810(±26) x + 45(±18) and R=0.997 for *****. Detection limit of 10 ng ml-1 and 15 ng ml-1 with a signal-to-noise of 3 was achieved for *** and *****.
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