原理

The method based on un balanced bridge and balance bridge principle to check direct-current system insulation situation at the same time was designed.

分析了采用常规平衡电桥原理的直流绝缘监察技术存在的问题，提出了采用不平衡与平衡电桥原理相结合来检测直流系统的绝缘状况，并给出了设计方法。

The simple solutions to the resembling balanced bridge problems;2. The method based on un balanced bridge and balance bridge principle to check direct-current system insulation situation at the same time was designed.

分析了采用常规平衡电桥原理的直流绝缘监察技术存在的问题，提出了采用不平衡与平衡电桥原理相结合来检测直流系统的绝缘状况，并给出了设计方法。

Chapter 2 explain the base of mathematics, the mode of system, the principle of communication and the principle of PN code, and go along analysis of mathematics.

第二章是扩展频谱通信的数学基础、系统模型、通信原理和伪随机编码原理，并进行了数学分析。

In view of a running train base on the principle of laser trigonometry round of online Automatic Testing System wheel set parameters,The principle of measurement is discussed and methods of work.

介绍了一种针对运行列车基于激光三角法原理的轮对参数在线自动检测系统，论述了其测量原理和工作方法。

This paper systematically expounds the basic principles of hydrodynamics and gives a kind of theoretical estimate on the necessity of safety and protection in large train-acceleration by the application of Bernoulli Equation and its principle of pressure reduction from fluid velocity increment.

对流体力学的基本原理进行了系统表述，应用伯努利方程及其流速增加压强降低原理，对铁路提速中安全防护的必要性提供了一项理论估算。

This article deals with the calculating rules, several handling situations of quotient and remainder in "Binary fixed point mending code division by one figure" based on the teaching material THE THEORY OF COMPUTER COMPOSITION .

针对《计算机组成原理》教材中关于"二进制定点补码一位除法"中的运算规则、商及余数的几种情况，进行了深入、详实的研究与讨论，补充了教材中的缺憾，论证了计算机在除法操作中的基本原理。

The work principle is presented in detail in this paper and the block diagram of as well .

文中详细介绍了该系统的工作原理，并且给出了它的硬件原理图和软件设计程序框图。

On the basis of water balance model, a simplified analytic model of border irrigation is set up with the help of upper storage water coefficient.

根据水量平衡原理，通过引入地表储水形状系数和提出的公式所计算出的下渗水形状系数，建立了基于水量平衡原理的畦灌水流推进简化解析模型。

The existence of three positive solutions for boundary value problem of third order differential equation is studied.

证明了几个新的最大值原理，并利用这几个新的最大值原理证明了两类三阶微分方程边值问题解与正解的存在性。

According to that Caristi fixed point theorem is equivalent to Ekeland variational principle, we weaken the condition that the functional is bounded from below in Ekeland variational principle, then we enlarge the area of the applicable functionals.

鉴于Caristi不动点定理和Ekeland变分原理的等价性，我们对Ekeland变分原理中泛函的下方有界的要求作了相应的削弱，从而扩大了适用泛函的范围。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。