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This design wants to design a complete set of three axes five speed gearboxeses , it mainly include three parts : The first part , to make sure the basic parameter of the gearbox assurance ; The second part, The contact strength verify-check and the flection strength verify-check of each wheel gear of the gearbox, mainly verify whether each wheel gear satisfy various strength conditions with according to the giving parameter ; The third part , to progress verify-check intension of the axes Four-part cent, to calculate the life of the bearings.

本次设计是要设计一部较为完整的五档变速器，其中主要包括三部分：第一部分，变速器基本参数的确定；第二部分，变速器的各档齿轮的接触强度校核和弯曲强度校核，主要是根据所给的参数来验证各档齿轮是否满足各项强度条件；第三部分，进行轴的强度校核；第四部分，轴承的寿命计算。

Theory calculate and finite element method to symmetric conic-section flexure hinges is used to compare and analyze their dynamics characteristic.

通过对四种二次曲线截面的柔性铰链的理论计算和有限元分析，比较分析了它们的力学特性。

In order to ensure the precision of operation, floating point number calculate scheme is obligatory.

为了确保运算过程有足够的精度，必须采用浮点运算。

It was used to calculate the transverse distribution of flow velocity and sediment carrying capability of a compound channel under different flow conditions, and the formation causes of floodplain were analyzed quantitatively.

运用该模型计算了不同条件下复式断面流速和挟沙力的横向分布，并定量分析了横向分布特性对滩唇形成的影响。

The formula to calculate the flotage of air-filled bucket and the force equilibrium equations of structure are derived according to the assumption that the compression relationship of the air half-closed in bucket is linear.

假设浮筒内的空气为理想气体，导出了气浮力的计算公式和气浮结构的力平衡关系。

The following is the main works of the paper.1 The weight and the center of weight of the whole hull, analysis by statics the weight of steel, the equipment, oil, water, crew and cargoes etc., conclude a method of calculating the weight and the center of weight of the whole hull,2 Work out the series of formula of distributing the water pressure of wave to the corresponding nodes on the plate, conclude a method of calculating the flotage and the center of the flotage,3 Analysis the method of adjusting the equilibrium of the hull, the finite element module of the hull, and the character of the linetype, by ship statics principle, work out a series of formula of adjusting longitudinal slant, preliminarily confirm the parameter and the range,4 Program in FORTRAN, and link into ANSYS, for auto-loading when analyzing the whole hull by the FEA,5 Make the finite element module of a real hull, calculate the weight and the center of the weight, the flotage and the center of the flotage, compare the result of manual calculation with the computed result, analysis the deviation of the program.

3通过分析船舶常用浮态调整方法、船体结构有限元模型和船体线型特征，运用船舶静力学原理，推导船舶浮态纵倾调整公式，分析了基于船舶结构有限元模型的纵倾浮态调整方法和初步探讨了纵倾浮态调整中的参数确定方法以及初步确定这些参数的取值范围。 4用本文推导的计算方法和公式开发FORTRAN程序，并编译连接到有限元软件ANSYS中，用于进行整船结构有限元分析时自动加载计算。

At present the most important research approach is to calculate a series of rates according to the balance sheet and cash flow statement.

目前最重要的研究方法是根据资产负债表和现金流量表计算一系列比率来反映。

Report 》 report according to article of Hong Kong 《, british archives saves company Graphic Data to be in charge of backup concerning a material, the one employee of company before the name EBay of the Zai at the beginning of this month sells with 35.88 flower pound piece put the Ji that has client data to calculate aircraft main engine to grant the Chapman buying the home of Zai England Oxfordshire.

据香港《文汇报》报道，英国档案保存公司Graphic Data负责备份有关资料，公司一名前雇员本月初在eBay以35.88英镑卖出存有客户资料的计算机主机予住在英国牛津郡的买家查普曼。

By measuring this pressure difference it is possible to calculate the flowrate through the flowmeter.

通过测量这种压力的差异有可能来计算流量通过流量计。

According to the operating characteristic of the fluidics and the theory of hydromechanics, a dynamic model of the impactor is established, in order to bring the percussive rotary drilling technology into full play. Also a simulation program is developed to calculate the working properties of the impactor. By using the simulation program, the variation laws of the basic parameters of the hydraulic impactor under different structural parameters and hydraulics are obtained.

为充分发挥冲击旋转钻井技术的应用效果，在考虑射流元件工作特性的基础上，运用流体力学理论建立了液动冲击器工作动力学模型，并编制了计算液动冲击器性能参数的模拟程序，通过模拟计算程序得到了在不同液动冲击器结构参数和钻井水力参数下液动冲击器基本参数的变化规律。

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。