优缺点

The model structure of the machine is simple, easy to operate, higher production efficiency.

文中还对河堤铺砖生产装置的研究现状以及其他部件的作用、存在的优缺点及改进设计的介绍。

This text mainly research the thinking of embedded software development and the difference between it and desktop software development; has designed every function module of the system in detail; has given the method of developing GIS in eVC++ 3.0 platform, further investigated the arithmetic of the mouse choosing simple polygon and the arithmetic of polygonal algorithm of area by calculating constant points; has compared ODBC, DAO and ADO three data access technology and realized ADO data access; has analysed the precision of GPS and given some methods to improve it.

本文主要研究了嵌入式软件开发的思路及其与台式机软件开发的区别；详细设计了系统的各功能模块；给出了在 eVC++ 3.0 平台中开发地理信息系统的方法，并深入研究了鼠标选取简单多边形和连续点法计算多边形面积的算法；比较了 ODBC、DAO 及 ADO三种数据访问技术的优缺点并给出了 ADO 数据访问技术的实现；分析了 GPS 定位精度并给出了改进方法。

Based on studying numerous algorithms of automatic mesh generation and concluding their advantages and disadvantages, combined advancing front algorithm, paving algorithm, plastering algorithm and other mesh generation techniques, this dissertation puts forwards a new automatic mesh generation approach, which is an efficient, accurate and simple algorithm for generation of quadrilateral or hexahedral finite element meshes.

本文深入研究了各种有限元网格自动剖分算法，并对各种算法的优缺点进行了分析总结，依据波前法算法的思想，结合Paving算法、Plastering算法和其他网格生成技术，提出了较方便快捷的有限元网格自动剖分算法。

Therefore, this article intends to introduce through the first depreciation of fixed assets in the enterprise accounting and reporting role, combined with the current implementation of new accounting standards the premise of the analysis of existing accounting standards for business enterprises in a wide range of depreciation methods of accounting practices at the advantages and disadvantages of the application, sinking fund through the introduction of sources of law, the meaning and characteristics, as well as introduce the fair value of the time value of money and the role of the property, which raised at the fair value method under the sinking fund depreciation of fixed assets at the application of the necessity and feasibility, which analysis sinking fund method in different models under the conditions of the application came to the conclusion that sinking fund at fair value method under the category of highway bridges listed companies a positive impact on applications and recommendations.

所以，本文拟通过先介绍固定资产折旧在企业会计核算和报告中的作用，结合当前新会计准则实施的前提，分析现有企业会计准则中各种折旧方法在会计实务应用中的优缺点，通过介绍偿债基金法的来源、含义及特点，介绍公允价值以及货币时间价值的属性和作用，从而提出在公允价值下偿债基金法在固定资产折旧中应用的必要性和可行性，进而分析偿债基金法在不同模型条件下的应用，最后得出偿债基金法在公允价值下对公路桥梁类上市公司应用的积极影响和建议。

Objective To establish a human cervical carcinoma cell line with stable expression of green fluorescent protein and the fluorescent-labeled implanted tumor model, and compare the detection methods of tumor growth by optical imaging system and slide caliper.

目的 建立稳定表达绿色荧光蛋白的人宫颈癌细胞系，建立移植瘤模型并比较移植模型肿瘤生长的荧光分析和卡尺测量的优缺点。

The method was used to many applications such as industrial heating and speed control of induction motors.On the basis of the advantages and disadvantages of the methods of the high-pressured sodium lamp dimmer in both here and abroad, a new scheme is proposed.

并在研究和比较了国内外目前在高压钠灯调光方法的优缺点的基础上，提出了一种在目前的高压钠灯的调光系统中还未被使采用过的、有别于传统方法的、基于谐波分析理论和自动控制理论的实施方案。

The current status of melting furnace for sodium silicate production an China is briefly introduced.

简要介绍了目前国内生产水玻璃使用的熔窑状况，几种窑型的优缺点，并对水玻璃熔窑今后的发展提出了看法。

We shall try by means of a highly simplified development to expose certain advantages and disadvantages of solid propellant rocket systems.

我们想通过相当简单的推导来试图阐明固体推进剂火箭系统的某些优缺点。

Four years, I have been soul-searching, summed up some of their advantages and disadvantages.

四年来，我不断的自我反省，归纳了一些自己的优缺点。

In this thesis, several kinds of spherical curvature measurement methods are introduced, and the "arch-high and chord-length method" is selected after introduction of the existing methods, and then the novel type of instrument for measuring spherical curvature with the variable ring is developed. In research, the grating sensor, integrated circuits and other new technologies are adopted and integrated. As a result of this, Its specific technical indicator is 0.1um in absolute accuracy, 0.01% in relative accuracy, and 0.001% in repeat accuracy.

本文首先对几种球面曲率半径的测量系统进行了深入的理论分析，在分析了各个测量方法优缺点的基础上，选用了"弓高弦长法"的测量原理，并从理论上推导了本文所述系统的可行性，采用光栅传感器、集成电路等新技术成果，将机械、电子技术、计算机技术以及传感器技术有机结合，研制出一种新型的可变径球面曲率测量仪器。

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