参数表示

Other chemicals, 3-PGA, 3-GAP, HPMS, DCMU, DBMIB, Ant A and gramicidin D all showed an inhibitory effect on PSII photochemical activity (expressed by chlorophyll fluorescence parameters) and electron transport rate of PSII+PSI.

其他外加化合物3-PGA、3-GAP、HPMS、DCMU、DBMIB、Ant A、短杆菌肽D等则对以叶绿素荧光参数表示的光化学活性和氧电极测定的全链电子传递速率表现抑制效应。

Other chemicals,3-PGA,3-GAP,HPMS,DCMU,DBMm, Ant A and gramicidin D all showed an inhibitory efect on PSII photochemical activity (expressed by chlorophyll fluorescence parameters)and electron transport rate of PSII+PSI.

其他外加化合物3-PGA、3-GAP、HPMS、DCMU、DBMIB、Ant A、短杆菌肽D等则对以叶绿素荧光参数表示的光化学活性和氧电极测定的全链电子传递速率表现抑制效应。

The paper showed a parameter representation of isotropic vector in complex vector space, and obtained the some properties.

给出了复向量空间中的迷向向量的一种参数表示，并由此获得了迷向向量的一些性质。

For the application of Mathematica in the differential geometry,this paper introduces how to processe the curve curvature and the torsion questions,the graphic expression of the curvature and the torsions,and draw curves by the curvature and the torsions. Curvature ; torsion ; solution curve ; osculating plane ; natural parameter ; natural equation

利用Mathematica，只要输入有关系统命令就可以得到期望的结果。1曲率和挠率及其图形意义假设R3上的曲线一般参数表示为r=r它的曲率和挠率计算公式是：κ=‖r′×r"‖‖r′‖3τ=‖r′×r‖我们知道，空间曲线r=r在一点(s=s0)邻近的近似方程为ξ=sη=120κs2ζ=160κ0τs3通过近似方程可以确定曲线在其基本三棱形的三个平面(即密切平面，法平面，从切平面)上的投

By this parametrization, the problem of identifying AR and MA parameters is converted into one of identifying a new group of parameters.

从而将ARMA参数的辨识问题转化为传递函数参数表示中有界谱函数的分子和分母系数辨识问题。

Through the new research methods, this thesis has made the following contributions in this field: 1. For the first time the curvature radii and relative angles of a planar continuous curve at discrete points are chosen as local parameters to represent the curve, which reflect clearly the local geometrical characteristics of the curve and are easy to be dealt with.

借助于新的研究方法，本文在这一领域作出如下贡献：（1）首次提出用曲线上离散点处曲率半径和相对转角作为局部参数表示平面连续曲线，直观地反映曲线各个局部的几何特征，且便于曲线的修改和变换，并通过机构运动分析，快速求出机构轨迹的这两个局部参数。

The substitution of triangle: used for conditions inequality proof, when given condition is relatively complex, a variable to use another variable representation, then can consider triangle substitution, the two variables are the same parameters.

1三角代换法：多用于条件不等式的证明，当所给条件较复杂，一个变量不易用另一个变量表示，这时可考虑三角代换，将两个变量都有同一个参数表示。

Create the explicit representation of the dimension model from the parametrical representation.

2根据尺寸的参数表示生成尺寸的显式表示。

The parameter control of part model and assembly model is implemented by four steps:(1) Modify the parametrical representation of the dimension model.

3处理关系。零件和装配件的参数控制过程如下：(1)修改尺寸的参数表示。

The high viscosity of polymer solution can improve the mobility ratio between oil phase and aqueous phase. Therefore, it can expand sweep efficiency of displacing fluid. In the model of multi-polymer commixing flooding mechanism, each polymer flows in the porous media on its own ability, and the enhanced oil recovery process is resulted from the total concentration of all the polymers.

在多种分子量聚合物溶液混合驱油机理数学模型中，每一种分子量聚合物在油藏中流动满足各自独立的物质传输规律，在驱油机理上表现为多种分子量聚合物溶液浓度之和的总浓度总体驱油过程，驱油机理数学模型中的参数表示为各种分子量聚合物相应参数浓度加权平均的形式。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。