查询词典 Boolean calculation

In this thesis Noblesses New Slender-Ship Wave-Making Theory is investigated in depth. Detailed Calculation formulae of zero, 1st and 2nd order wave-making resistance have been derived and calculation programs have also been compiled.

本文深入研究了新细长船兴波阻力理论，导出0阶、1阶和2阶兴波阻力的具体计算公式，并成功地编制了计算程序。

Job Specification : Quantity Surveying and bill of quantity preparation ; payment calculation; scaffolding design for falsework ; structure mechanics calculation; human resource management; safety supervising; site officer for administration; co-ordinate with ASD clerk of works and main contractor representative;drawing and draft analysis; method statement making.

工作规范：工料测量和工程量清单编制；付款计算；棚架设计脚手架；结构力学计算；人力资源管理；安全监督；网站主任管理；统筹与房间隔缺损书记工程和主要承包商的代表；绘画和草案分析；方法声明决策。

A numerical calculation method to solve the cascade equation was presented.Analytical solution to the cascade equation was obtained in the case of quasi-ideal cascades,that is,the cascades with a constant partial cut at all stages.Formulas were given for the calculation of the relative product and waste flows,the total substance f...

各级组分分流比不变的多组分级联称为准理想级联，得到了计算存在损耗的准理想级联中相对产品流、相对贫料流、级联中总物质流量以及产品流和贫料流中组分丰度的解析表达式。

In Chapter 5 and 6, a suite of calculation method of branch model and their parameters, which can fully consider the effects of various spatial harmonics, is worked out. In the last chapter, the calculation method of the asynchronous starting characteristics of the new type machines at quasi-stationary state have been discussed in details.

第四章则针对变极凸极同步电机的特点，通过对其气隙磁场谐波性质及其作用的分析，得出了若干具有理论和实用价值的结论，在此基础上，第五、六两章则提出并建立了一套能够充分考虑各种性质空间谐波影响的支路模型及其参数计算方法。

In this thesis this author mainly studies the theory and methods of ship wave-making resistance. Detailed analyses of New Slender-Ship Theory are made and corresponding calculation methods are presented . This thesis aims at finding an algorithm of wave-making resistance calculation suitable for various kinds of ships.

论文工作是研究船舶兴波阻力理论与方法，对新细长船理论进行了较详细的分析，对其具体的计算方法做了深入的研究，目的是探讨可适用于多种船型的有效的兴波阻力算法。

Detailed Calculation formulae of zero, 1〓 and 2〓 order wave-making resistance have been derived and calculation programs have also been compiled.

本文深入研究了新细长船兴波阻力理论，导出0阶、1阶和2阶兴波阻力的具体计算公式，并成功地编制了计算程序。

This paper describes the fluvial ecological water requirement types and the calculation method in water-power engineering,discusses the theory of calculation.

生态需水量是实现水资源合理规划与配置的重要因素。要保证水资源可持续利用，必须保证河流足够的生态需水量。

The hydrodynamic performance and the calculation of induced velocity along flow on the constant point after foil shows that if the effects of tip vortex and decay of vortex panel strength be considered, the accuracy of calculation can be increased. Velocity peak value in propeller wake current and distribution of induced velocity after three-dimensional short foil else can be calculated accurately.

通过对三维短翼的水动力性能和翼后给定点沿流向的诱导速度计算表明：采用考虑翼梢涡影响和涡的衰减影响的计算模型，可以提高三维短翼的水动力性能计算精度；可以准确地计算出螺旋桨尾流场的速度峰值；可以较好地计算出三维短翼翼后的诱导速度分布。

In this design, the calculation of load is very important, according to the result of the calculation, can choose the section of line, the model of the voltage changer, the relaying of voltage and current and so on.

在这次设计中，负荷计算是非常重要的，根据计算结果，可以选择供电系统中线路的导线截面、变压器的型号、电压和电流互感器等主要电气设备的型号。

Through hydraulic calculation, determines and tests mean friction resistance of riser and horizontal branch circuit of new two-pipe heating system, provides reference for its hydraulic design calculation.

本文分析了新双管系统与传统双管系统的不同，提出了确定新双管系统平均比摩阻联值的方法，并通过水力计算，确定并验证了新双管系统中立管与水平支路的平均比摩阻的取值，为新双管系统水力设计计算提供参考。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。