查询词典 numerical calculation

This paper discusses the static model of the super lift, deduces the force calculation formulas for the counter weight ground contacting case and the hanging case and gives calculation examples.

文章讨论了超级起重的静力模型，按配重接地模式和配重悬空模式导出了力的计算公式，并给出了算例。

A detailed calculation on the scattering of a conduct disk is given by means of Incremental Length Diffraction Coefficient method and Phyzical Optics method. The relation between Radar cross section of the conduct disk and the incident angle and the relation between the optimal polarization and the incident angle are investgated and the calculation results from ILDC and that from PO are compared.

用微分边缘绕射系数法和物理光学法对金属圆盘的散射作了详细地分析计算，讨论了其极化散射特性给出了雷达截面积随角度的变化曲线并与用物理光学法计算的结果进行了对比，同时还给出了其最优极化随角度变化时的分布图。

In this method, not only the curves of edge and skeleton can be obtained at the same time, but also the cost of calculation is decreased through improving the calculation of curvilinear structure strength map.

该方法能同时得到物体的边界和骨架，改进了曲线结构强度图的计算，减少了计算量。

In order to improve the operation of the plant equipment and the reliability of economy, the paper thermal economic evaluation of the study, in a cycle function on the basis of the theory of the matrix model based on the thermal analysis method the use of mathematical software MATLAB the corresponding generic calculation procedure, and use VB establishment of display interface Calculation of the power plant thermal system hot economy.

为了提高电厂设备的运行经济性以及可靠性，本文以热经济性评价为研究课题，在以循环函数法为理论基础上提出了基于矩阵模式的热力系统分析方法，利用数学软件MATLAB编制了相应的通用性计算程序，利用VB编制了显示界面，计算电厂热力系统的热经济性。

On the basis of the thermal balance equation,specific inner work equation,cyclic heat absorption equation of a thermal system and the standard coal-consumption calculation formulae of power generation,derived was a general calculation model featuring the influence of lower terminal temperature difference of a heater on the coal consumption of a power plant.

根据热力系统热平衡方程、比内功方程、循环吸热量方程及发电标准煤耗率计算公式，导出了加热器下端差对机组煤耗影响的通用计算模型；并且在考虑到加热器下端差的影响的基础上，改进了以往的建模方法，得到了更为完善的加热器上端差对机组煤耗影响的通用计算模型。

According to Lemaitre's damage evolution law and the assumption of this paper that the cyclic loading maximum tensile stress has the most contribution to the cyclic damage and assume that the stress is the maximum stress .The material parameters S which are expressed in exponential form and generalize the variation in the process of cyclic loading is exponential experience equation which provide the expectation of cyclic damage of 63Sn/37Pb material and lead it into the calculation of damaged incremental form and assume that damage keeps constant during the same cycle. The results match the experimental data. It proves that the Endochronic plasticity theorem adopt the calculation of damage environment.

根据Lemaitre损伤演化律及本文假设循环负载下拉应力在最大值附近对循环损伤的贡献最大，文中应力对各循环之损伤而言假设应力为最大拉应力，将材料参数S以指数型式表示，归纳出疲劳损伤在循环负载过程中的变化为指数型经验式，提供63Sn/37Pb材料在循环负载作用时损伤情况的预测，并引入含损伤增量式内涵时间之计算中，假设同一循环的损伤为定值，其计算结果与实验数据吻合，说明内涵时间塑性理论亦适用於损伤环境下的计算。

In this paper, we put emphasis on introducing the heat transfer calculation for the "pineapple twisted roll"in the deaerator, including the establishment of the physical model, the determination of heat resistance and the calculation of rise in temperature, etc.

重点介绍了这种除氧器中"菠萝花"的传热计算，包括物理模型的建立、传热热阻的确定、温升计算等。

It is therefore not a case here of an internal calculation mistake in which the declarant works internally with incorrect data and then submits a contractual offer based upon it in error, which does not however repeat these defective calculation data.

所以，在此，本案就不是内部的计算错误了--------在内部计算错误案件当中，意思表示一方在内部的工作当中，使用的数据是错误的，并且，根据这一错误提交了合同要约，但意思表示一方并没有重复使用这些错误的计算数据。

This paper overviews the various algorithms for least square collocation, discusses the matrix QR decomposition, derives the relationship between QR decomposition and generalized inverse matrix, and obtains least square inverse used for calculating matrix. In addition, the estimation formula for least square collocation by QR decomposition and its accuracy formula are derived. A case study is conducted using gravity anomaly test and calculation to demonstrate that the QR method is correct and valid in least-square collocation calculation.

分析了目前采用的最小二乘配置法解算方法，在讨论了矩阵的QR分解方法的基础上，推导得出了矩阵QR分解与广义逆矩阵的关系，得出了可以直接利用QR分解求解矩阵的最小二乘逆，并推导了应用QR分解求解最小二乘配置的估值计算公式和精度估算公式，最后通过重力异常实例进行了计算，得出矩阵的QR分解用于最小二乘配置解算的正确性和可行性。

This method makes the complicated space structure calculation decompound into a couple of related plane problem. The bottom structure is supported by longitudinal beams in cross calculation, and then the cross forces and elastic supporting forces are obtained.

横向计算中，底部弹性支承在各纵梁上，可求得结构的横向受力与弹性支承反力；然后将弹性反力作为荷载，反向作用于纵梁上，进行纵梁的受力计算。

I was up all night because I was in pain, she said.

我整夜，因为我在疼痛，她说。

A crow caws /craoks.

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