在改进

The improvement on the drawing speed, versatility, and transplantability of the system makes the practical value of computer-aided drafting be considerably increased.

该绘图系统在出图速度、适用性、可移植性、使用方便性等方面的改进与提高，大大提高了计算机辅助绘图在电机设计、制造领域的实用价值。

According to the definition and the distribution of VSR's voltage space vector, the introduction of a rule-based SVPWM current control strategy, with non-fixed switching frequency and dual hysteresis loops, that obviously improves the performance of current control. Based on two kinds of control strategies of VSR under unbalanced grid condition, the introduction of a new VSR control strategy featuring undamped-oscillation that simplifies the controller structure and effectively improves VSR's performance under unbalanced grid condition. A systematic description of the state switching in trilogic PWM signal generation of threephase CSR by using the conversion between bilogic and trilogic switching functions.

作者在如下工作的基础上对PWM整流器的一些关键问题提出了自己的研究思路、观点和方法：根据PWM整流器网侧矢量关系，直观地描述了其四象限运行的基本原理及特征；定量分析了VSR、CSR的PWM换相过程及波形特征；引入等效变压器模型并详细分析了VSR、CSR基于d—q模型的动、静态特性；提出了满足四象限有功、无功运行指标时的VSR交流侧电感设计方法；并提出了依据控制系统跟随性和抗扰性性能指标设计VSR、CSR直流侧储能元件的参数计算方法；在研究了VSR电流控制策略基础上，提出了影响VSR电流控制的几个要素，并进行了定量分析；根据VSR空间电压矢量的定义及分布，提出了基于规则控制的不定频滞环空间矢量PWM电流控制策略，并由此提出了具有双滞环特性的不定频滞环优化SVPWM电流控制策略，有效地改进了滞环PWM电流控制性能。

Simulation results show that the new detectors have a significant performance gain over basic group-based MAP algorithm in uncoded systems and have a faster convergence in coded systems.

仿真结果表明在未编码系统中改进的分组检测方法能够显著地提高系统误码率性能，在编码系统中能够加快整个系统的收敛。

In this paper,an improved genetic algorithm is proposed to overcome the shortage of early convergence and stagnation in the traditional genetic algorithm,which is based on unconvertible rate of crossover operator and mutation operator.Moreover,the user page interest measure threshold is introduced into the association rules mining.

针对传统遗传算法在提取关联规则问题时常采用固定染色体交叉概率和染色体变异概率，容易出现早熟、收敛速度较慢的问题，提出了改进的遗传算法，并在关联规则的提取中增加了用户页面兴趣度这一阈值，成功地运用到某商业网站服务器日志挖掘。

Basic operators of color image morphology are established.The result of the experiment demonstrates that the color vector order has good property.The algorithm of color image morphology based on this order can better keep the peripheral information and hue of the image and has the strong point of unnecessity of exchanging between different color spaces.

实验结果表明提出的颜色向量序性能良好，建立在该向量序上的彩色图像形态学算法能够较好的保持图像的边缘信息和色调，并且亮度均匀，与原图像相比对比度均匀增强，重构开算法的实验结果比原文献中方法有了较大的改进；具有不需要在不同的颜色空间之间转换的优点。

The changes include:(1) Put the urediniospores into the tube with two steel balls and 1. 6 g/L Chelex-100,the uredinia may be picked up with airing host tissues.(2) Add KOH into the extraction buffer instead of NaOH and vortex the tube violently for 30 min.(3) Prick a hole under the bottom instead of picking out of the steel balls, then centrifuge the tube to toss the liquid into the sheathed tube.

改进的 内容包括：(1)在有二钢珠和1.6 g／L Chelex的离心管中加入夏孢子，夏孢子可以来自带有风干寄主叶肉组织的夏孢子堆；(2)在离心管中加入KOH而不是NaOH，然后剧烈斡旋30 min；(3)将离心管管底穿一小孔，套上一新离心管，短暂离心甩出内容物。

Based on the principles of stepped firing in recirculation zones, several new type straightjet and revolving-pour burners are designed and manufactured which used for different power boilers and industral furnaces with combustion of pulverized coal, poor-gas or fuel-oil. The burners are tested and improved in practice and good results are finally achieced in variant degrees including strenthening flame stability, adapting to boiler capacities and rank of coal, raising combustion and heat transfer efficiency, and lowering the temperature of weste gas at the boiler tail.

应用回流区分级着火原理，设计和制造了几种不同结构型式的直流、旋流新型燃烧器，用于燃煤粉、煤气、油雾的不同类型的锅炉和工业炉，在实践中进行试验和改进，最终都在不同程度上取得了强化稳定燃烧、适应负荷和燃料品质变化、提高燃烧和传热效率、降低炉尾烟温的好效果。

With Pursuit Force: Extreme Justice", explained Whiteside,"we have evolved, redesigned and added a lot of content, and the game is designed to be as pleasurable on the go as it is on your big TV at home.

在《追击力量：终极正义》里& Whiteside说道，&我们改进，重新设计，增加了很多内容，新的这款游戏不但适合想玩快速游戏的玩家，同时也适合在家里的大电视上来体验。

But given the time to rush, it is inevitable that there are procedures in the wro

但是由于时间的仓促，难免在程序上还有错误，希望大家能够在论坛上告诉我们哪里有错误，哪里需要改进，以便让我们完善这套 ASP+WAP的同学录程序！

Now I'm not that hotheaded any more, on the way of life I will slow down and look back at every step, to check up myself and the surroundings, the shortages I should pay attention to, the habit I should improve, and for the people I should appreciate. Each time I do this, I feel I grow up a little.

现在的我已经学会不在那么鲁莽冲动，在人生的道路上每走一段我就会缓下自己的脚步回头看看，看看自己，看看身边，看看有什么值得注意的缺点，看看有什么值得改进的习惯，看看有什么值得珍惜的人，每每这样做我都觉得自己又长大了一点。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。