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By analyzing the loading status of three-point drop test platform, the force model of which has been built, and determined the factors that affect the measurement precision of horizontal load of wheel, derived the computational formula of horizontal load of wheel, so, the original measurement method of horizontal load of wheel has been improved.

通过分析三点支撑落震平台的受力状态，建立了三点支撑落震平台的力学模型，确定了影响机轮水平载荷测量精度的因素，推导出了机轮水平载荷的计算公式，从而改进和完善了现有的机轮水平载荷测量方法，使机轮水平载荷的测量更精确、更合理。

The (0,1) placement variables are treated as continuous variables and then rounded after the optimization. The computational formula of the sensitivities of the freevibration frequency with respect to placement variables is derived.

在压电材料组成的桁架结构的自由振动频率优化设计中，提出了压电杆件配置的(0，1)设计变量并将其连续化处理，推导了压电桁架自振频率对该设计变量的灵敏度计算方法。

Based on the structure reliability analysis and results of structural optimization theory,the performance function and computative method of reliability index of the homogeneous truss structure under certain failure mode were derived and given,respectively.

以结构可靠性分析和结构优化理论成果为基础，推导得到匀质杆件结构在特定失效模式下的功能函数，给出这一特定失效模式下结构可靠度指标的计算方法。

One is the positivism led by Comte and Mach and the analytic philosophy derived from Vienna school .

本文通过对反形而上学的历史考察，分析了其产生原因，揭示出这种思想之局限性。

Combined with divergence condition, the finite element equation of three-dimensional magnetotelluric forward modeling is derived.

结合散度条件，采用广义变分原理推导出三维大地电磁测深的有限元方程。

The higher-order phase compensation condition and numerical reconstruction equation are derived.

推导出了满足高次相位补偿的条件和满足补偿条件时的数值再现计算公式。

Based on the analysis of the relationship between vegetable and meteorological condition,the regression equation to guide the Beijing vegetable carriage by temperature and relative humidity was derived.

中文摘要：在分析蔬菜与气象条件关系及北京地区气候条件下温湿日变化特征的基础上，应用线性二元回归方法建立了蔬菜运输指数与温度、相对湿度之间的线性回归方程。

A conditional probability density function of the SAR imaging systems is derived, These works lay a foundation for further research.

将SAR成象系统视为一个多元接入信息系统，在深入分析系统构成的条件下，求出该系统的传递概率密度函数。

First, the backward Kolmogorov equation for the conditional reliability function and the Pontryagin equation for mean first-passage time and then- associated boundary and initial conditions are derived based on the stochastic averaging methods for quasi non-integrable, quasi integrable and quasi partially integ...

首先利用拟不可积、拟可积非共振及拟部分可积非共振Hamilton系统的随机平均法分别给出了研究该系统首次穿越问题的提法，包括计算条件可靠性函数的后向Kolmogorov方程及计算平均首次穿越时间的Pontryagin方程及其边值条件。

Based on the similarity theory, the similarity conditions of the concrete oil storage tank temperature stress model experiment are derived, and the similarity constants are determined.

文章根据相似理论，推导出混凝土储油罐温度应力模型试验的相似条件，并确定了试验相似常数，进而提出储油罐模型温度荷载加载方式，最后通过数值仿真分析手段进行了验证。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。