进行选择

5The structural modularization of bed was applied in the process of studying Modern American Style, which have confirmed that mattress size is the basis for design, this dissertation is selecting three typical kinds to do the research, post bed, sleigh bed and panel bed under the guide of modularization theory in order to have series researches on structural modularization, Modern American Style bed module has been built by using modularization design methods.

5对现代美式床类家具结构模块化及其应用进行了研究，确定以床垫尺寸为床类家具设计基准，选择三种典型床类产品：柱床、雪橇床和板床为研究对象，以模块化理论为指导思想，进行结构模块系列研究，应用模块化设计方法构建出美式床类家具结构模块系列并加以应用。

We construct the synthesis reasoning sources according to the multimedia object low-level features and the reasoning source intensity field according to the multimedia co-existence information. A series of multimedia semantic spaces are built by spectral method after synthesis reasoning. The cross-media retrieval is performed on a per-query basis by which different retrieval methods are adopted for different queries.

首先根据多媒体对象的底层特征构造推理源，根据多媒体对象的共生关系构造影响源场来进行综合推理，并构造出多媒体语义空间；然后针对不同检索例子，根据伪相关反馈为每一个检索例子自适应地选择不同的检索方法进行跨媒体检索。

The mathematical models of the dynamic target and the tested apparatus are constructed with spherical trigonometry spherics. The general structure of the dynamic target is introduced. The performance, the detail of structure and selection of material of its main components are studied. The mass center and dynamic precision of the dynamic target, the static deformation of rotation arm are calculated and analyzed.

本文主要介绍了新型动态靶标研制的必要性、动态靶标检测的原理；运用球面三角学，建立了动态靶标与被测仪器间的数学模型；介绍动态靶标的总体结构设计，对各重要组成部分的功能、结构及原材料的选择等进行了详细的分析；对动态靶标的重心、旋转臂的静态变形及整机的动态精度进行了分析和计算；最后介绍了动态靶标的标定方法。

The calculation of melt shear rate , jet stretch ratio and spinneret back pressure was analyzed and discussed, which decided the diameter and L/D ratio of spinneret.

分析了涤纶长丝生产中喷丝板选用的相关理论，对熔体的切变速率、喷丝头拉伸比、喷丝板背压的计算方法进行分析讨论，认为 3个参数可作为选择喷丝板微孔直径和长径比的依据，并举实例进行了验

In order to ensure sensitivity and precision of transducer of spring beam,according to "stress concentration" design philosophy,based on reasonable choice of transducer,its strain and strength are calculated using FEM,the paster place of spring beam should be ascertained in reason,and the transducer's maximum strain orientation and measuring range are determined theoretically.

采用弹性梁对旧式液压万能材料试验机下横梁进行改造，为确保弹性梁传感器的灵敏度和精度，根据应用"应力集中"的设计原则，在合理选择传感器结构基础上，采用有限元法对其应变和强度进行计算，合理确定弹性梁的贴片部位，从理论上确定传感器的最大应变方位及传感器的量程。

This essay takes it as the starting point a macroscopic and microscopic analysis of the factors in the staff drain from the angle of human resource development and management and further gives an evaluation of the major impacts on the hotel and the employees as a result of the staff drain. On the basis of a scientific analysis of the staff drafr cost, the expectation, attitude an...

本文从饭店人力资源开发与管理的角度，对产生员工流失的宏观和微观两大方面的因素进行分析，评估饭店员工流失可能给饭店和个人带来影响和后果，在科学分析流失成本、员工就业期望、态度和行为的基础上，设计、实施相应的政策，并对这些政策的效果进行评估，最后，从饭店人力资源管理的大局出发，选择有效的办法控制有价值员工的流失

The orthogonal design of fifteen factors and two levels is made. At the same time, fifteen components are tested and five key factors have been selected out .Finally the second orthogonal design of five factors and four levels is carried on and the new optimum component of artificial diet of rice stem borer is reached.

同时，本文从已报道的不同二化螟人工饲料中选择了15种饲料成分，采用15因子2水平的正交试验设计，对这15种成分进行了优化，并从中筛选出5个关键因子，然后对这5个关键因子进行了5因子4水平的第二次正交试验优化设计，得出了二化螟人工饲料新的优化配方。

Through selection we obtained transgenic restorer line T773-1 with good agronomic traits and obvious resistance to striped stem borer and herbicide.

3转cry1Ab和bar基因的水稻恢复系T773-1和转Xa21基因的恢复系T773-2进行杂交、自交，对自交世代单株进行cry1Ab、bar和Xa21基因的分子标记辅助选择，获得了带有三基因的恢复系T773，田间种植对水稻白叶枯病、鳞翅目害虫、除草剂具有很好的抗性。

The expression of the stress-strain curve is chosen and analyzed, the correlation of the material parameters and the factors is analyzed.

在此基础上，进行了应力应变全曲线表达式的选择与分析，并对各材料参数与诸因素间的相关性进行了分析。

Facing to the key problems in computer vision measurement, for example, the method of laser strip image processing, the algorithms of extracting"feature point"of joint, the method of structure light sensor design and so on, comprehensive studies are down on both theory and in practice.

本文在对常用的焊接接头跟踪方法进行系统研究的基础上，选择结构光视觉的方法来检测和跟踪焊接接头；并针对视觉传感器的结构光图象处理方法、焊接接头特征点提取算法和结构光传感器的设计方法等进行了大量的研究，成功地研制出一套多道焊焊接接头跟踪控制系统。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐