对该分级标准及回归模型的拟合检验结果表明，当蚜情指数小于80、抽样量在100株以上时，对蚜量的估计可达90%的准确度。

Test of goodness of fit proved that when the index of aphid degree was less than 80 and the samples were more than 100, the quantity estimation accuracy was as high as 90%.

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计算的准确度取决于指数波发生器的准确度，而后者和电阻、电容的准确度和回路的杂散电感有关。

The calculation accuracy depends on the accuracy of the exponential wave generator, which is associated with the accuracies of resistor and capacitor and the stray inductance in the generator circuit.

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土地植被覆盖指数的准确度取决于图像分类准确度，但与分类总准确度没有直接关系。

The accuracy of land vegetative cover index rested with the accuracy of image classification, but had no direct relations with total classification accuracy.

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