查询词典 calculate

Desegregate , integrate , mixbecome one; become integratedcalculate the integral of; calculate by integration

背单词诀窍，只需每天5分钟 20世纪最震撼人心的照片加、减、乘、除的表示法

A mathematical model and a program are developed to calculate neutron yields, energy spectrum and angular distribution of D^3 He reaction in a thick deuterium-titaniumTiD(subscript x target as incident deuteron energy lower than 1.0 MeV.

给出一种计算氘钛厚靶D^3 He反应加速器中子源的产额、能谱和角分布的方法，并发展了一个计算机模拟程序，程序能够计算氘束流能量小于1.0 MeV的中子源的产额、能谱和角分布。

The main achievement is as following: Present a new software structure with insert mode based on diagram and data platform. With this structure the software can be used in various voltage levels of power networks by switching function groupware with corresponding edition. Therefore it is important to solve software universality and developability.(2) Present a new idea that any operating condition is combination of running mode of plant or station, power supply topological and rules of equipment maintenance. This idea is very useful at simplifying setup and choice of operating conditions and ensuring calculation result correction.(3) Present a new idea of protection setting examination and rectification. Protection setting examination is used to examine the selectivity、 sensitivity and speed under certain operating condition, and pass an opinion whether these settings are wrong;Setting rectification is used to calculate new relay settings when error is found in setting examination.(4) Point out that interaction design is the key step in developing power system application software,which can secure usability.

主要成果有：(1)提出了以图形/数据平台为基础的插件式软件结构，通过配置不同版本的功能插件即可应用于不同特点的电网，对解决软件的通用性和可发展性具有重要意义；(2)提出了基于厂站方式、供电方式和检修规律相组合的运行方式分解方法，它能有效提高运行方式选择的合理性与全面性，使定值计算的正确性得到保障；(3)提出了保护定值校正的思想并进行了软件实现，它能检测当前保护定值在选择性、灵敏性、快速性等方面是否适合当前的运行方式，并对不正确的定值进行纠正；(4)指出交互设计应作为电力系统应用软件开发中的一个关键步骤，目的是保证软件的可用性，并对软件开发的过程进行了总结，提出了许多有益的实践经验。

In wire-cutting manufacturing of the top and bottom different curve,accomplishing cutting way of ellipse bias changing curved surface which between two plane curve into developable surface in order to calculate NC program of four axis ganging.

在上下异型工件的线切割加工中，宜采用椭圆偏置切割法，即将上、下两平面曲线间的曲面变成可展直纹面，进而计算四轴联动的数控程序，可保障加工的效率与效益。

The left ventricular internal dimension at end diastole, interventricular septal thickness at end diastole and left ventricular posterior wall thickness at end diastole were measured in the parastemal long axis view by transthoracic two-dimensional echocardiography, and to calculate left ventricular ejection fraction with Teichholtz formula and left ventricular mass with modified Devereux formula, left ventricular mass index=LVM/body surface area. From the apical four chamber and two chamber view, the basical segment and middle segment of interventricular septal, left ventricular lateral wall, anterior wall and inferior wall were obtained by tissue Doppler imaging, Regional left ventricular relaxation asynchrony index was calculated.

应用二维超声心动图在胸骨旁左心室长轴观测量左心室舒张末期内径、室间隔和左心室后壁舒张末期厚度，采用Teichholtz公式计算左心室射血分数，采用Devereux校正公式计算左心室心肌质量，左心室心肌质量指数=左心室心肌质量/体表面积；在心尖四腔心和心尖两腔心切面，应用组织多普勒成像获取室间隔、左心室侧壁、前壁和下壁的基底段和中间段8个心肌节段沿左心室长轴运动的速度频谱，测算左心室局部心肌松弛不同步性指数(regional left ventricular relaxation asynchrony index， AI)；在心尖四腔心切面，应用彩色M型多普勒超声心动图测量左心室舒张早期血流传播速度。

Comparing with BFGS and DFP, the experiment results show the proposed method can rapidly and accurately calculate the surface form error.

通过与传统的BFGS和DFP优化方法的计算结果进行比较，表明该方法能快速准确地计算叶片曲面的形状误差。

The model was derived by using the geometrical relation and Newton theory, and the validity of the model was demonstrated by experimental results. DFP method was used to calculate the optimal control input.

利用空间几何关系及牛顿力学原理建立数学模型，经实验结果与仿真结果的比较验证模型的精确性，并利用DFP法进行最优控制量的计算。

In the proposed method the data from state estimation or power flows during larger time interval is used to calculate nodal voltages and the initial value of current transitive-relationship matrix; the variation of diagonal elements of this matrix reflects the variations of the detailed models of system components, network topology and parameters after the perturbation, then by use of the PMU measured data in millisecond level the primary diagonal element can be modified.

该方法采用时间间隔较大的状态估计或潮流数据计算节点电压和电流传递关系矩阵的初值，并利用该矩阵主对角元的变化反映受扰后系统各元件的详细模型、网络拓扑和参数的改变，然后使用相量测量单元毫秒级的量测数据对其进行修正，从而为在实际应用中将相量测量单元与SCADA系统相结合做出了有益探索。

Essential condition of the diagram to design the scheme was decided, and the methods to distinguish component attributes and to calculate planetary characteristic parameters were presented.

确定了设计多自由度复合行星传动方案应满足的必要条件，以及组成复合排的各构件属性判别方法和行星排的特性参数计算方法。

The measurement covered the tooth material,premolar diametre,premolar basal arch widthand basal arch length. The ratios of PMD/TM, PMBAW/TM and BAL/TM were calculate.

测量牙量、双尖牙弓宽径、双尖牙根尖基骨宽径、基骨弓长度，并计算PMD/TM、PMBAW/TM、BAL/TM值，对其进行统计学处理与分析。

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。