注：镍含量百分数按照质量百分数差减法计算。
Note: the content of Nickel in the table is calculated by the subtraction method in the percentage of weight.
用EDTA容量法测定锌和镍的总量，用差减法计算锌的质量浓度；
Total quantifies of zinc and nickel are determined with EDTA volumetry, from the total quantities minus the nickel concentration we obtain the zinc concentration.
本文提出了一种基于背景相减法和对称差分法来进行运动目标检测的方法。
A novel moving object detection based on adaptive background subtraction and symmetrical differencing is presented in this paper.
减法器（230）计算加法器（250）的输出和加法器（250）的输出的量化值之间的差以便确定量化误差。
The subtracter (230) calculates the difference between the output of the adder (250) and the quantized value of the output of the adder (250) to determine the quantization error.
实验结果表明，噪声残差消除谱相减法明显地削弱了一般谱相减法所带来的“音乐”噪声。
The experiment results show that this improved method weakens the "music" noise distinctly. Whats more, it notably improves the quality of noisy speech.
将强度折减法和显式有限差分法相结合计算复合土钉支护的稳定系数。
The strength reduction method and explicit finite difference method are used to calculate the global safety factor of the compound soil-nailed wall(CSNW).
将强度折减法和显式有限差分法相结合计算复合土钉支护的稳定系数。
The strength reduction method and explicit finite difference method are used to calculate the global safety factor of the compound soil-nailed wall(CSNW).
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