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Based on two microcontrollers,AT89C52 and AT89C2051,the model car could race intellectually by detecting the black guide-line on the ground and being controlled by the radio remote control, Reflecting-infrared sensors, are applied to detect black lines and the obstacle in the front of the Mini- car .based on PT2262 and PT2272 can make the mini-car be controlled by remote control .

采用两块单片机(AT89C52和AT89C2051)作为智能遥控小车的检测和控制核心，实现了小车的自动寻黑线，躲避前方障碍和手动无线遥控的功能，并且实现了三种模式之间的转换。

Gypsophila IT Service Center" is based on customer-centered technology-based service centers, is committed to provide customers with "Honest, fast, professional, considerate" of services, from many directions to meet the customer's new demand for services, brand of services, establish a "customer focus, customer needs above all else" the concept of "fast response, high-quality and efficient customer service to provide customer satisfaction as the basic goals, set up an honest, efficient, professional service team.

满天星IT服务中心"是以客户为中心的技术型服务中心，，致力于向客户提供"诚信、快速、专业、周到"的服务，从多方位满足客户的对服务的全新要求，打造品牌化服务，树立"以客户为关注焦点，客户需求高于一切"的观念，以"快速响应、高质高效服务客户，提供客户满意度为基本目标，建立一支诚信、高效、专业的服务队伍。

Based on the analogy of structural mechanics and optimal contro1, and a1so based on carrying the minimum potential energy variational principle in elastici- ty to the generalized one, the theory of Hami1tonian system can be introduced into theory of e1asticity and e11iptic PDE. The transverse eigensolutions of the Hamiltonian operator matrix and its expansion solution method can be deduced.

利用结构力学与最优控制相模拟的理论，将弹性力学势能变分原理导向部分一般变分原理，并将哈密尔顿体系的理论引入到弹性力学与椭圆型偏微分方程之中，导出一套横向哈密尔顿算子矩阵的本征函数向量展开解法。

Based on the background of gas meter remote repairing, this paper puts forward a solution way-the embedded technology based on GPRS communication. This paper discusses design and implementation of embedded handhold terminal as well as technology involved.

本文以燃气表的远程维修为研究背景，提出了基于GPRS网络的嵌入式解决方案，论述了基于GPRS网络的嵌入式手持终端的设计与实现及对相关技术的研究。

I propose that sex-based harassment is fundamentally motivated by the harasser's desire to protect or enhance his or her own sex-based status, a desire that stems from the fact that social status is stratified by a system of gender hierarchy.

我认为基于性别的骚扰，根本动机是骚扰者保护或提高他或她自己的性别为基础的地位的愿望，一个基于这样事实的愿望，即社会地位是根据一个系统的性别等级制度来分层的。

For the shortcomings of geometry based initial solution methods for inverse analysis method in sheet stamping, a 3D mesh harmonic mapping algorithm based on energy theory is implemented.

针对目前在板料成形反向模拟法中常用到的初始域计算方法的缺点，提出采用一种基于弹簧系统能量理论的空间网格映射法。

Umisheet2002 case study verifies the validity of this harmonic mapping algorithm. The comparison between the results obtained with inverse analysis method and incremental based software eta/DYNAFORM witnesses the efficiency and reliability of inverse analysis method using the proposed energy based initial solution algorithm.

UMISHEET' 2002一标准考题中，通过与增量模拟软件eta/DYNAFORM的比较，证明了采用基于弹簧系统能量理论的调和映射思想来求解反向模拟法初始域具有较好的适用性，同时验证了反向模拟法较为可靠的计算结果及较高的计算效率。

By the algorithm, the surfaces are first divided into a series of mapping areas and synthesis areas using the constraints of the triangles' normal and texture attributes. Then the mapping areas are textured by harmonic mapping from the 2D mapping sample, by a patch-based synthesis method. Finally, the synthesis areas are textured by a triangle-based synthesis method.

首先以三角形法向量、切向矢量与纹理尺度为约束，将三角网格曲面分割为一系列映射区与合成区；然后用基于块的平面纹理合成方法生成大面积样图，用调和映射方法对映射区进行纹理映射；最后采用基于三角块的合成方法生成合成区纹理。

Based on the relationship between the harmonics, a method that uses nonlinear acoustic harmonic amplitude ratio to distinguish microcracks in cement-based materials. Experimental tests were performed by two groups of mortar samples.

利用非线性波动理论中二阶谐波幅值与基波幅值的关系，探讨了通过测试谐波比关系的变化，获得材料非线性特征改变，进而判断材料损伤的方法，并进行了试验研究。

Based on expression (8), the removal distance of the crushing station is 536 m Based on expression (13), the relation between the haulage cost and the removal distance can also be obtained Fig.

根据表达式（8）破碎站的转移距离是536米。根据表达式（13）可以得到转移距离的运输成本和转移距离之间的关系（如图3）。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。