函数关系

The paper includes:The author calculate the structures inner force and displacement of the free end , analyze the influence of the height and the value of pretress of cable by making use of ANSYS 9.0 soft, pose the concept of critical prestress,conclude the function relation between displacement of the free end, initial strain and the height of cable ,analyze the dynamic properity and point out that Newmark-β method should be adopted when we analyze the dynamic properity of the cable-stayed spatial structure with direct integral test to guarantee the contribution of high mode,finally conclude the functional relation among coefficient of earthquake inner force, initial strain and the height of cable, wish to get some helpful conclusion applied to cable-stayed spatial truss design.

本文系统介绍了斜拉空间桁架竖向地震反应的分析理论与方法、详细分析了斜拉空间桁架结构在静力和竖向地震作用下的受力性能，主要内容包括：利用通用有限元软件ANSYS9.0计算了斜拉空间桁架在静力和竖向地震作用下内力及自由端位移分布规律并得出地震内力系数与节间位置、预应力以及斜拉索高度之间的函数关系；详细分析了斜拉索中施加的预应力以及斜拉索高度的变化对于该种结构内力及自由端位移的影响并提出了斜拉空间桁架的临界预应变概念，进而得到了自由端位移与初始预应变以及斜拉索高度的函数关系，即：△=-(40h+2180)ε+9.8；分析了该种结构的动力性能，并指出：在时域内采用直接积分法计算该种结构的动力响应时，应该考虑采用不引起振幅率减小的Newmark-β法，以保证高阶模态响应的贡献仍然保留在响应中而不致于被忽略。

To use linear program, we have to take care of two problems. The first problem is that the actual relationship between intensity and duration is nonlinear convex function. In this study, we propose to use piece-wise linear curve to approximate the nonlinear convex curve. The second problem is that there are many feasible event sequences.

使用线性规划遭遇的困难有二：第一，作业强度与作业时间呈非线性之凸函数关系，因此本研究将使用片段线性曲线(piece-wise linear curve)近似作业强度与作业时间呈非线性之凸函数关系；第二，专案有很多组可能事件顺序，事件顺序的不同会产生不同的资源限制式，本研究提出一个系统化的方法求解问题。

This paper describes a feasible calibration method, its basic principle for calibrating is: A certain function relationship is existed in equivalent inductance L of coil and the distance x between the object to be measured and the sensor coil, the measurements can be conducted with this function relationship by using frequency modulation. The calibrating system consists of measuring electric circuit, high stable voltage power supply, digital frequency meter, the conductor to be measured and the calibrated displacement sensor.

文中叙述了一种较为可行的标定方法，其标定的基本原理为：线圈的等效电感L和被测物体与传感器线圈的距离x存在一定的函数关系，利用这种函数关系用调频法进行测量，标定系统由测量电路、高稳定度稳压电源、数字频率计、被测导体及被校位移传感器组成。

After analyzing implicit function relation expression of equilibrium voltage and fall time, direct function expression and change relation between them are deduced.

通过分析平衡电压和下落时间的隐函数关系表达式，推导出了两者之间的直接函数表达式和变化关系。

Function relation is the relation referring to one kind of one to one correspondence between two object , is to think that another variable y can take the value that one ascertains according to the function ascertaining that when a variable x takes certain value.

函数关系是指两事物之间的一种一一对应的关系，即当一个变量x取一定值时，另一个变量y可以根据确定的函数取一确定的值。

To form the theory and method of hybrid refractive-diffractive optical design that can join to the Chinese conventional optical design system, the primary aberration theory expressed by PWC about HRD systems has been investigated, and the function relation between Seidel sums and P, W, C, between ∞,∞,∞ and the diffractive lens structure have been established.

为了形成与中国传统光学设计体系相街接的折衍混合光学设计的理论和方法，研究了PWC表示的折衍混合薄透镜系统初级像差理论，建立了赛德尔像差和数与P、W、C的函数关系，以及∞、∞、∞与衍射透镜结构的函数关系。

MethodsBy means of orthogonally rotational combination design, microwave extraction mathematical simulation model was concluded by the linear regression analysis.

响应面法是采用多元二次回归方程来拟合因素与响应值之间的函数关系，通过对函数响应面和等高线的分析，能够精确地研究各因子与响应值之间的关系，寻求最优工艺参数，解决多变量问题的一种统计方法［3］。

The neutron emission intensities of spent fuel for different initial enrichment and different burnup and different cooling time were calculated, the power function relationship between burnup and neutron emission intensity was decided and verified after analysis, and the factors that affected the power function relationship were studied.

计算了不同初始富集度、不同燃耗、不同冷却时间的乏燃料的中子发射强度，经分析，证实了燃耗与中子发射强度间存在的幂函数关系，并对影响幂函数关系的各种因素进行了研究。

Based on the experimental data of low (less than 13) ionization energy of lighter elements, the function of shielding coefficient, electronic states and atomic number is summarized when the atom ionizes electron in different electronic state of the second and first shell.

依据较轻元素原子低次（小于13）电离能实验数据，总结出原子电离第2、1壳层不同电子态电子时，相应的屏蔽系数与电子态及原子序数的函数关系，根据该函数关系，可求出相应原子的高次电离电子的屏蔽系数。

This paper, by establishing some functions between theoretic unit production of standard crop and natural quality of farmland graduation, and between feasible unit production of standard crop and utilization index, verifies the theoretic unit production, feasible unit production, and based on this, the regional theoretic unit production, regional feasible unit production.

通过建立农用地分等单元标准粮理论单产和自然质量等指数的函数关系、标准粮可实现单产和利用等指数的函数关系，分别核算分等单元的理论单产及可实现单产，以此为基础核算区域理论产能及可实现产能。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。