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We give out the formula of the ordinary solution of the second order linear homogeneous differential equations with the parameter"λ" and the two kinds of second order linear nonhomogeneous differential equations with the parameter"λ".

给出了含参数λ的二阶线性齐次微分方程及两类含参数λ的二阶线性非齐次微分方程的通解公式。

The boundary value problem for first-order differential equations with a parameter refers to the finite solution condition of equation which includes unknown quantity and its first-order derivative that not only relies on interval value but also relies on the parameter of the equation,which is always settled by fixed point theory or successive approximation method.

含一个参数的一阶微分方程边值问题是指：含有未知量及它的一阶导数的方程的定解条件不仅依赖于在区间端点的取值，而且依赖于方程中的参数。通常它用不动点定理或逐步逼近法来解决。

This paper introduced the main equipment and basic parameter of flash welder, narrated basic work principle of welder and its preparation process systematically, Meanwhile, analyzed how to control and adjust its parameter for differential specification, especially super-thin strip from BSP product line.

介绍了本钢冷轧厂闪光焊机的工作原理及基本焊接数据，详细的分析了针对不同规格产品焊机的工艺参数控制与调节，尤其针对冷轧厂超薄规格的BSP短流程的热轧来料，经过大量的焊接实验，从原料、设备、工艺等各个角度进行了全面系统的分析，给出了适合冷轧厂生产的完整焊接工艺参数，从而达到了优良焊接的目的。

To character the dilatant behavior of sand correctly,a function modifying the hardening parameter is introduced,and a state parameter involving the void ratio of phase transition is suggested.

本文在已有弹塑性模型基础上，对硬化参数进行修正，并引入与相变线相关的状态参量，建立了一个新的剪胀性砂土本构模型。

Thirdly, fuzzy control method and PID method were used respectively to design temperature self-adjustment controller of carbon fiber concrete laminate beam,by the MATLAB simulation it is found that the PID method has higher speed but is more sensitive to the fluctuation of system parameter ,it is suit to the regulating when the heat transfer coefficient fluctuates diminutively and the structure has little heat transfer with the environment;fuzzy control can be adapt to the parameter variety in a large scale , it is suit to the regulating when the heat transfer coefficient fluctuates greatly.

分别采用PID和模糊控制策略设计了温差自调节控制器，通过MATLAB仿真研究得出：PID方式具有更快的调节速度，但对系统参数变化较敏感，适合系统与外界对流交换较微弱，对流参数波动不大时的调节；模糊控制能够适应系统参数在较大范围内的变化，适合对流参数波动较大时的调节。

The position parameter of IFS code is replaced with the relative distance and direction parameter.

将分形码中的位置参数替换为相对距离与方向系数。

Also the input parameter is defined using the parameter tag with Direction attribute as "In".

另外输入参数定义使用带标签的属性Direction参数为""。

It was shown that the structural parameter was strongly affected by the diameter and depth of tunnels. The structural parameter in vault direction decreased firstly and then increased along with the tunnel depth.

研究得出：围岩的结构性参数与径深和洞径密切相关；随着径深的增大，拱顶方向上围岩的结构性参数均呈现出先减小后增大的规律，存在一个最小值。

As a parameter describing the direction and amount of water movement in the body of plants,water potential is a fundamental physiological parameter of plants which plays important role in many fields of scientific research.

植物水势是一个决定植物体中水运动方向和限度的物理量，也是植物水分生理中一个基本度量单位。

First four parameters adjust maximum offset in every direction, fifth parameter sets shaking period in milliseconds, sixth parameter sets the initial seed for random number generator so the form shaking will not change upon calls.

前四个参数调整在各个方向的最大偏移量，第五个参数设置在毫秒内的抖动周期，第六个参数设置为随机数发生器的初始种子，使之震动的形式保持一致。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了