原理

The working principle of rail stamper is analyzed. According to different functions, the complex system can be divided the five sections, namely horizontal shift, auto-character changing, vertical movement, revolution system and hydraulic pressure system.

主要分析了钢轨打印机的工作原理，按照打印机各部分完成功能的不同，把复杂的系统分成了水平移动系统、自动更换字符系统、垂直移动系统、旋转系统、液压系统伍个部分，分别对伍部分的系统组成、工作原理进行了讨论。

Secondly, we obtain the moderate deviation principles for NA random variables with stationary distribution under a weak condition, and then we give the MDP for m-dependent random variables..

其次， 我们在一比较弱的条件下得到了平稳NA随机变量列的中偏差原理，并给出了m相依随机变量列的中偏差原理。

By using integral periodogram to estimate the spectral functions of a stationary time series, the invariance principle for the error process has been demonstrated either for Gaussian or non-Gaussian series.

用积分周期图估计平稳时间序列的谱函数，不论是高斯序列还是非高斯序列，其误差过程的不变原理都已被证明￣（［1］，［3］），许重光￣［5］采用自迥归谱估计的积分估计谱函数也证明了误差过程的不变原理成立。

Both motor car and each trailer of HST were modeled as a multi-rigid-body system with two suspensions, and LVT was modeled as an assembly of track segment elements with 24 degrees of freedom. The vertical vibration matrix equation of the system was established on the basis of the principle of the total potential energy with stationary value in elastic system dynamics and the rule of "set-in-right-position" for formulating system matrixes, and then Wilson-θ numerical integration method was used to solve the problem. The dynamic responses of the system were calculated when the train runs at the speed of 200 km/h. And the effects of vertical stiffness of rail fastener and block pad on vertical vibration responses of the system were investigated.

其原理是：将高速列车的动车和拖车模拟为具有二系悬挂的多刚体系统；将弹性支承块式无碴轨道模拟为具有24个自由度的轨段单元的集合；基于弹性系统动力学总势能不变值原理及形成系统矩阵的"对号入座"法则，建立此系统竖向振动矩阵方程，并采用Wilson-θ数值积分法求解，计算速度为200 km/h时此系统竖向动力响应，研究轨道刚度对此系统竖向振动响应的影响规律。

A basic knowledge of microbiology, will be detected with a microscope observation of micro-organisms, medium Preparation, disinfection and sterilization, separation and purification of micro-organisms, bacteria counting method A chemical analysis of the theoretical knowledge and can use chemical analysis methods and equipment of the components of material analysis Master fermentation process principles, understanding of beer, liquor, fermentation production technology Master protein related knowledge, PAGE gel electrophoresis technology, high-speed centrifugal Genetic engineering master the basic theory of knowledge, the extraction and purification of genes, PCR principle, gene recombination technology Master of the basic theoretical knowledge, the immobilized enzyme, the enzyme preparation Application Master of animal and plant tissue culture techniques of experimental steps studied experimental apparatus: Balance (scales, electronic scales, Analytical Balance), or acidity, spectrophotometer, liquid gas chromatography, acid-base titration apparatus, microscopes, centrifuges, ultrasonic cleaning, constant temperature oscillation incubator, super-clean table, steam sterilization pot, the pot constant temperature water bath, PAGE device apparatus, oven, fermenter, such as PCR instrument.

具备微生物理论基础知识，会用显微镜检测观察微生物，培养基的制备、消毒与灭菌，分离与纯化微生物，细菌的计数法具备分析化学的理论知识，能运用化学分析和仪器分析方法对物质的组分进行分析掌握发酵工艺原理，了解啤酒、白酒、发酵生产工艺掌握蛋白质相关知识，PAGE凝胶电泳技术，高速离心掌握基因工程的基本理论知识，基因的提取和纯化，PCR技术原理，基因重组技术掌握酶的基本理论知识，酶的固定化方法，酶制剂的应用掌握动植物组织培养技术的实验步骤学过的实验仪器：天平（台天平，电子天平，分析天平）、酸度计、分光光度计、液气相色谱仪，酸碱滴定仪器，显微镜，离心机，超声波清洗器、恒温振荡培养箱、超净工作台，蒸气灭菌锅、恒温水浴锅，PAGE电泳装置仪器、干燥箱、发酵罐、PCR扩增仪等。

Based on the requirements of ascertaining the orientation and dimension of toy major axis, calculating the flaming dimension and speed along with the toy major axis in American standard consumer safety specification for toy safety, combine with PLC control technology, high-performance and fine-segmentation driver as well as step-in motor.

基于美国玩具安全中要求确定玩具的主轴线方向和尺寸，并沿主轴线方向计算玩具燃烧长度和速度的需求，结合PLC控制技术、高性能细分型驱动装置和步进电机的工作原理，对研制玩具燃烧测试仪的工作原理、工作过程、结构设计以及软硬件结构和技术特性进行了详细论述，指出此测试仪可满足美国玩具燃烧测试需求。

The contents including the task principle of main line PIC 、the analysis of hardware、 the principle of light stockade and so on.

内容包括了PCI总线的工作原理，硬件分析，光栅的原理，光栅的硬件组成等问题。

In the course of the teaching of straddling vaulting horse,the principle and application of the technique transference have been noticed.

从分腿腾越纵马的教学中分析了技能迁移的原理和运用，并用分解和完整教学法来进行示例，讨论了该原理的应用前景。

On ultra precision lathe, author propose the principle of error in-process measurement and compensation of cylinder, end and contour, and use adjusted straightedge and sensor to build error on-line measurement and compensation control system of end turning.

研究了基于模糊数和插值原理的模糊控制算法，并用该算法实现了压电陶瓷微动刀架伺服系统的闭环控制，使其控制精度达到了±0.01μm；在超精密车床上，提出了圆柱面、端面和轮廓加工的误差在线测量与补偿原理，并利用标定的直尺和传感器建立了端面车削误差在线测量和补偿控制系统。

Based on definition of strain energy function,increment formula of stationary potential energy of finite displacement theory were derived in terms of Kirchhoff stress tensor and Green strain tensor.

基于有限位移理论应变能密度函数的定义，利用Kirchhoff 应力张量和Green应变张量，推出了非线性分析中增量形式的势能驻值公式，并证明了由势能增量驻值原理得到的增量平衡方程形式与由虚位移原理所得的结果完全一致。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。