Using by the method of Difference Analyze and the theory of Regression Analyze, the analyzed the spatial characteristic of vegetation change in arid land.

在差值分析和回归理论的支持下，分析了干旱区植被变化的空间特征；

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Meantime, differential signal is distilled by nonlinear tracking-differentiator instead of the method of difference, which improves the quality of differential signal.

同时用非线性跟踪-微分器代替差分法来提取微分信号，提高了微分信号的品质。

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The second algorithm is proposed because the method of difference image is not effective when the different information coming from two frames of difference image is too much or too little.

算法二是针对两帧差分图像之间所提供的差异信息过多或过少这两种极端情况，用差影法粗分割对人脸图像进行预处理时失效而提出来的。

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The indicators of the production of GDP are re-valued at constant prices with the double deflation method where the value added at constant prices is the difference between the value of output and the value of intermediate consumption at constant prices.

UNESCO: Belarus: Report: Part I: Descriptive Section

But what makes Sorger's method stand out is the difference in how it approaches the problem of scaling to the human body: the Swift scales, where other bicycles may simply get taller without increasing the wheel base.

ENGADGET: Engineering a better bicycle with DBC City Bike Design Alt

This strategy requires very visible signage, some nifty software that distinguishes the method of payment, and ultra-clear communication with customers about the reason for the difference so they don't feel they're being whacked unfairly.

FORBES: How Small Businesses Can Survive The Storm