优缺点

Firstly, the method of parameter variety by was tested, however, it is very complexity of computation. So, the method of parameter no-variety had been introduced in paper.

首先讨论了使用时变参数的卡尔曼滤波方法，分析了使用时变参数卡尔曼滤波的优缺点；为了提高计算的效率，本文提出了时不变参数的卡尔曼滤波算法来估计信号的时间延迟。

In Guangdong province, after analyzing respective strongpoint and shortcoming of some video detecting methods, two kinds of ideas are put forward, and then an effective algorithm of peccancy surveillance based on video technology is brought forward to settle this problem.

论文以广东某公司的"视频检测闯红灯自动记录仪"课题为背景，在研究视频处理的运动检测基础之上，分析了各自的优缺点，提出了两种检测违章车辆的方案，形成了一种违章车辆检测算法，实际应用结果证明了这一算法的有效性。

In chapter four, the limitation and virtue of penalty function and Lagrange function are analyzed.

第四章分析了惩罚函数和Lagrange函数的优缺点，给出了原始-对偶障碍函数算法。

Then the working principle of Falling Weight Deflectometer and Dynamic Cone Penetrometer as well as both advantages and disadvantages are introduced respectively.

提出了现行路基承载力评定方法存在的问题，通过介绍落锤式弯沉仪和动态圆锥贯入仪使用原理及各自优缺点，运用FWD和DCP结合工程实例对路基承载能力进行对比评定分析，得出了两者评定路基承载能力的可靠性和相关性。

Based on reviewing key techniques for bioethanol production from lignocellulose, advantages and disadvantages of various physical, chemical and biological pretreatments, along with the latest methods, were analyzed. Moreover, the characteristics of many kinds of microbes, such as their thermotolcrance and ability of pentose's usage, and the widely-used fermentation modes are also summarized in this review to provide some new ideas for ethanol production from lignocellulose.

本文在综述国内外纤维素乙醇生产关键步骤的基础上，着重分析了各种物理、化学和生物预处理的优缺点以及新兴的预处理思路，归纳了各类纤维素乙醇生产菌的特点，包括耐高温和五碳糖的利用，并介绍了当前主要的发酵方式和优化措施，以期为木质纤维素生产乙醇提供新的研究思路。

Application fields of sodium hexametaphosphate was summarized.Production technologies,mainly include two-step sodium dihydrogen phosphate production process and one-step phosphorus pentoxide production process of sodium hexametaphosphate,as well as advantages and disadvantages of various methods were introduced in detail.

综述了六偏磷酸钠的应用领域，并详细介绍了六偏磷酸钠的制备方法以及各种方法的优缺点，主要有磷酸二氢钠两步法和五氧化二磷一步法。

Several synthesis of phosphoric acid monoester was introduced,and their strong suit and defect were compared.

介绍了磷酸单酯的各种合成工艺路线，并比较了它们的优缺点，提出了聚磷酸法是合成高纯度磷酸单酯的最佳路线。

Photodiode and photomultiplier have each advantage and disadvantage, they should be choosed in reason and be used in right way.

光电二极管和光电倍增管各有优缺点，在实验中需要合理选择，并且正确使用。

The phase grating is realized with photolithographic IC technique. Three different methods to realize phase gratings are discussed.

用光刻法实现了这一位相光栅，并比较了不同位相光栅制作法的优缺点。

The phase grating is realized with photolithographic IC technique.

用光刻法实现了这一位相光栅，并比较了不同位相光栅制作法的优缺点。

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