双语例句原声例句
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Vector expression is adopted in analyzing the relation between off-axis parabolic parameters and collimation property.
采用矢量的方法，分析了离轴量等参量和准直性能之间的关系。
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The influence coefficient matrix of the linear axisymmetric triangular element and the input vector expression are derived.
推导了轴对称线性三角形元的影响系数矩阵和输入向量公式；
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Then a vector expression which can compensate the first- and second-order PMD at the same time is derived by using the PMD vector of PMF.
该文首先从理论上导出了保偏光纤的偏振模色散矢量表达式，此表达式是由保偏光纤参数决定的。
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Mathematically, it's done by taking the expression for R and differentiating everything in sight that can be differentiated as vector t.
从数学上看是这样的,写出 R 的表达式,并对所有可以进行矢量微分的部分,对时间 t 求微商
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