... 一阶差方程 first difference equation; 一阶差分 first-order difference; 一阶超前 first-order lead; ...
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first order difference [数] 一阶差分
first order difference equation [数] 一阶差分方程
First-order Difference Calculation 一阶微分运算
first order difference plot 一阶差分散点图
first-order difference transformation 一阶差分变换
first order difference transformation 一阶差分变换
method of first order difference 一阶差分法
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The article educed that the series of hard wheat futures and spot prices show their first-order difference stationary, I (1) process, by the unit root test.
通过单位根检验，确定硬麦期货与现货价格序列具有一阶差分平稳性即i(1)过程。
In order to better understand the security, the company must first know the difference between data privacy and data security, and should understand that the two can not be replaced with each other.
为了更好的理解安全，公司首先必须知道数据隐私和数据安全之间的区别，并且应该明白这两者之间并不能相互替代。
In order to begin your campaign, you must first understand the difference between reciprocal and non-reciprocal links.
为了您开始运动时，一定要先了解相互的差异和非互惠的联系。
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