可采用的

This thesis,starting from working out the arrest points and the infl ection points of the function curves of the grey mathema tical model GM(1:1 )and its residual correction model and residual period model, derives the conditions for empliying these grey models to obtain a higher class of accuracy,thus enabling the user to decide which model should be used in the light of the state of given initial sequency data.

从求得灰色数学模型GM(1.1)及其残差指数修正模型和残差周期修正模型函数曲线的驻点与拐点入手，导出使用这些灰色模型取得较高精度的条件，让使用者可依据初始序列数据的态势决定采用哪种数学模型，并且在结果未揭示以前便可大体上估计到拟合精度是否令人满意。

By applying in seven spot, the directional control blasting technology by using slotted cartridgc has been confirmed that can increase the distance of hole in perimeter 50% on present basic, the ratio of half hole scar to 85%～95%, and the utilization ratlo of shot hole 10%.

通过在山东、山西、安徽、河南等省的七个矿区现场应用，证实了采用切缝药包定向断裂控制爆破技术，可使周边眼间距在现有基础上增加50％以上，周边眼的炸药单耗降低30～50％；循环炮眼数减少15～25％；炮眼利用率提高了10％以上；半眼痕率提高到85～95％；周边不平整度小于100mm，这一指标是目前国内外岩巷生产中最佳指标；每米岩巷掘进成本可降低200元以上，展现了定向断裂爆破技术广阔的应用前景。

This thesis expatiates on the theory and architecture and primary content of Reusable Design technology and Reusable Process Design technology, study the feasibility and practicability of some important technology about Reusable Process Design, adopt a special knowledge representation to describe reusable process design information and make use of "FenHua "to realize knowledge acquisition about fuzzy knowledge.Craft database system is the mostly important support of CAPP (Computer Aided Process Planning) system. To some extent, the essence of process design is a process that craft data is visited, used, dealt with and generated. This thesis expatiates on data base design technology. Based on the detailed analysis of the craft data"s characteristic and sort and the craft database"s component part, the author build craft database through detailed conceptual design and logical design and physical design for data base.the application and research of Web database technology becomes increasingly wide, which can make a close combination between Database technology and Web technology.

本文阐述了基于知识复用的可复用设计技术与可复用工艺设计技术的理论、体系结构与主要研究内容，研究了可复用工艺设计中的若干关键技术的可行性、实用性，采用了三表知识表示来描述工艺知识及利用"分划"的方法对灰色知识进行知识获取；工艺数据库系统是计算机辅助工艺设计系统的重要支撑系统，从某种程度将，工艺设计的实质就是对工艺数据库中工艺数据的访问、调用、处理和生成新的数据的过程，本文阐述了数据库系统设计技术，在详细分析工艺数据的特点、分类以及工艺数据库的数据库组成的基础上，通过对工艺数据库概念结构、逻辑结构、物理结构等几个方面的详细的分析与设计，建立了系统工艺数据库； Web数据库将数据库技术和Web技术很好的融合在一起，其应用研究日益广泛。

The stable and reliable operation voltage of the probe can be given by the following methods:(1) 20% light coupling efficiency is obtained by direct coupling of LD-optical fiber.(2) The light power is transmitted by multi-model optical fiber.(3) The largest photo-electric conversion efficiency is achieved by selecting the transformer regulation of step-up transformer.(4) The stable light intensity is achieved by using LD light feedback of driving circuit and refrigeration.

通过下述方法可提供稳定、可靠的探头工作电压：LD—光纤的直接耦合方式，可实现20％左右的光耦合效率；采用多模光纤传输功率；选择升压变压器最佳变比提高光电转换效率；采取LD驱动电路光反馈以及致冷措施使其发光幅值稳定。

Use of the time division multiplexing technique, rather than the traditional frequency division multiplexing technique, resulted in an enhanced capacity of the existing telephone plant at minimal cost.

本句可译为：本句可译为：采用时分多路复用技术而不是传统的频分多路复用技术，的频分多路复用技术，导致了以最低代价增强了现有电话系统的能力。

PSD7151W with innovative structural design, is a suitable infrared outside the network security uniform ball and cover with the rotating movement, for the first time a multi-way to extend the life of bearings, infrared lights up and down together with the Yuntai the right and left rotation, make full use of light source, greatly enhance the user's viewing angle, no dead ends to facilitate monitoring and return to the default preset inspection points.

PSD7151W 以创新的结构设计，是一款适合于外安防的红外网络匀速球，球罩与机芯一起旋转，首次采用多轴承方式延长寿命，红外灯随云台一起上下、左右旋转，充分利用光源，大大提升使用者的可视角度，监控便利无死角，且可预设预置点来回巡视。

The application scope and limitation of several existing assessment methods for coal washability analyzed; an assessment method by quantity efficiency under specific condition proposed.

分析了现行几种煤炭可选性评定方法的适用范围及其局限性；提出采用特定条件下的数量效率作为煤炭可选性的评定方法。

The structural of mechanism adopted double pipes feed-in with mixing machine, special weighbridge for reducing bond; The hardware circuit make use of the programmable amplifier AD8555 which amplify the weak sensor signal and bridge imbalance compensation and gain error, at the same time,32-bit microprocessor LPC2134 was used as the core of the hardware to deal with the messages and send order to the implement machine. Software design transmits materiel by stages and FIR filter was adopted to remove big errors and enhance precision.

机械结构使用双管螺旋喂料机加搅拌机构，特殊的称斗结构；硬件电路采用数字可编程放大器AD8555作为称重传感器微弱电信号的放大器，以便于补偿桥式传感器的失调和增益误差，同时采用32位单片微处理器LPC2134作为整个电路的处理核心，及时处理称重信息，并向执行机构发送命令；软件根据称重值采取分阶段喂料，并加入了FIR软件滤波，滤除了粗大误差信号，提高了称重精度。

The results were as follows:(1) The method that HA was treated by ethanol of 2.5x volume for 20 hours turned out to be the most economic and efficient.(2) Zymolysis combined with deproteinization by chloroform was better than deproteinization by chloroform for several times in yield and purity of HA.(3) HA with purity of 71.1 60/o was obtained by the fermentation with cetylpyridinium chloride.

本文对发酵液中HA的分离提取方法进行对比研究，结果表明采用2.5倍体积的乙醇对HA沉淀，作用时间20小时最为经济合理；采用酶解结合氯仿除蛋白较之氯仿除蛋白，HA的产量和纯度均有所提高；经氯代十六烷基吡啶分级分离后，可得纯度为71.16％的HA产品。

The median part of the middle fossa, the lateral part of the superior clivus and the trigeminal nerve in the Meckel cave could be exposed via a retrosigmoid suprameatal approach.

采用乙状窦后经内耳道上入路，可将乙状窦后入路的手术野扩大到颅中窝的中线侧和上斜坡侧方，并可显露Meckel腔内的三叉神经。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。