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[数]二次变分
1、variation margin───价格变动保证金[押金]；价格变动押金；盈亏保证金
2、appraiser variation───评价人变差
3、variation───n.变化，变更，变动；[生物]变异，变种；变奏曲
4、quadratic solver───二次解算器
5、quadratic element───[力]二次元
6、variation ratio───异众比率；变异比率；变速比，变速范围
7、quadratic───adj.[数]二次的；n.二次方程式
8、quadratic effect───二次效应
9、seasonal variation───n.季节性变动，季节性波动；季节性波动，季节性变动
1、quadratic variation and mixed integrals of the martingales with orthogonal increments are studied. The theorem for the existence of quadratic variation is proved.───研究了二参数正交增量鞅的平方变差和混合积分，证明了平方变差的存在定理。
2、This paper presents a method for evaluating the flow about an arbitrary three-dimensional body using the submerged patches of triangular elements with quadratic variation of source strength.───本文利用内潜奇点片的概念，提出了二次分布源强的三角形单元，进行绕任意三维物体的势流的计算，并得到了计算所需要的一系列积分公式。
3、Quadratic Variation of Local Square Strong Martingale───局部平方可积强鞅的二次变差
4、temperature variation in the direction of thickness is assumed to be linear or quadratic.───假设温度沿壳体厚度方向为线性变化或二次函数变化。
1、The quadratic variation and mixed integrals of the martingales with orthogonal increments are studied. The theorem for the existence of quadratic variation is proved.
2、The statistical feature of jump variation is studied and the result indicates that jump component of quadratic variation is the most important determinant for realized volatility.
3、This paper presents a method for evaluating the flow about an arbitrary three-dimensional body using the submerged patches of triangular elements with quadratic variation of source strength.