优缺点

Using the energy decision of displacement frame difference can make the motion detection less sensitive to noise.

对匹配过程优化作了较深入的研究，综合比较了多种常用的和新近提出的运动估值匹配准则的优缺点。

This paper emphasized discussing safety-related control method and application device. The following several parts are the main content of this paper: 1、 Discussed the advantages and disadvantages of two kinds of Brake-by-Wire System, and chose Electro-Mechanical Brake system as research object. Established redundant disposure of hardware in Brake-by-Wire system.

本文着重讨论了线控制动系统与安全相关的控制方法和装置，其内容主要包括以下几个部分： 1、讨论了两种不同类型线控制动系统的优缺点，并选择电子机械式制动系统为研究对象，制定了线控制动系统的硬件冗余布置方案。

Comparatively one of the three options is the most effective, in which it uses a fixed distributer and a valve guide as the anchor point to restrict rocker-bridge to wiggle.

三种改进方案各有优缺点，但综合比较后确定了一种改进方案，即利用一个固定导向柱和一个气门导管为定位点，限制横桥左右摆动。

Based upon the fuse and the laser trimming techniques respectively, two methods to correct the process divagation are presented, which are suitable to trim the reference circuit designed with the deep sub-micron standard CMOS process technology.

结合熔丝微调技术和激光微调技术，提出了两种适合深亚微米工艺技术的亚阈值MOSFET基准电路工艺误差的修正方案，并指出其优缺点。

The authors analyzed the advantages and disadvantages of the existing space division technology and bounding boxes method, and then proposed an improved space division algorithm.

分析了已有空间分解技术和包围盒方法等的优缺点，并在此基础上提出了改进的空间分解求交方法。

The spread of the periodic wave, the advantage and disadvantage of the solid dynamic theory, the orderly system and the disorderly system physics; It also discuss the classification of the phase transformation and the division between the quantum method and the classical method in the condensed matter physics; and also point out the major developing trend of the present condensed matter physics.

对周期波的传播、固体能带理论的优缺点以及有序体系和无序体系的物理学；相变分类、凝聚态物理中量子方法与经典方法的界定进行了讨论，并指出了凝聚态物理发展的主要方向。

This paper introduces the real number domain and limited domain of the definition of Elliptic Curves, it introduces the basic principles of Diffie-Hellman key exchange in detail which bases on the definition of Elliptic Curve Cryptosystem, and the methods of implementation which makes use of Elliptic Curve. It analysis the advantages and disadvatages of the Diffie-Hellman key exchange technology , and gives a worthwhile improvement in the same time.

本文介绍了在实数域和有限域中椭圆曲线的基本定义，然后以椭圆曲线的基本定义为基础，详细论述了基于椭圆曲线密码的 Diffie-Hellman 密钥交换的基本原理及利用椭圆曲线实现密钥交换的方法，分析了Diffie-Hellman 密钥交换技术的优缺点，并给出了值得改进的地方。

Reliability analysis on ship donkey boiler automatic control system

在讨论继电器控制和单片机控制优缺点的基础上，着重分析了集美大学轮机工程学院自动化机舱实验室辅锅炉的单片机自动控制的软硬件设计特点，对其辅锅炉的继电器控制系统进行单片机控制改装，提高了控制系统的稳定性和可靠性。

Four kinds of arrangement of catalyst support in catalytic distillation column are introduced, they are catalyst in the downcomer of plate column,catalyst on the tray and catalyst combined with random packing or structured packing respectively, and their advantages and disadvantages are also analyse

介绍了催化蒸馏塔中催化剂的装填结构，即催化剂装在板式蒸馏塔降液管中、装在板式塔塔板上、与散装填料相结合及与规整填料相结合，并对这些装填方式的优缺点进行了分

This paper analyze the status of the waste treatment and indicate the existing problem:the level of management is low , the ideal and anamnesis of management is draggle comparatively;the life waste is continue increase, basic establishment is not enough badly, the problem of single treatment is extrusive;the method of disposal is single, the level of using resource is low;the devotion of funds is not enough

通过对北京市生活垃圾堆肥、焚烧发电、卫生填埋处理项目进行经济分析，提出堆肥、焚烧发电、卫生填埋这三种城市生活垃圾处理方式在技术上和经济上都是可行的，具有显著的社会效益和环境效益，但各有优缺点。针对北京的实际情况，建议北京市采用堆肥、焚烧发电、卫生填埋相结合的综合处理技术。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。