查询词典 field control

With the new progress of computer technique, control theory, artificial intelligence and information technique, traditional design method for control system in the field of arc welding process has not been suitable for the requirements of the development .

随着计算机技术、控制理论、人工智能等信息科学的新进展，在弧焊过程控制领域内，传统的控制系统设计方法已不适应弧焊工艺发展的需要。

As an application in the field of environmental protection, environmental risk management includes the following behaviors: selecting the effective control technology to analyze the expenses and benefits of the risk cut-down, according to the result of the environmental risk appraisal, the appropriate rules and regulations; confirming the acceptable risk level and acceptable harm level; carrying on policy analysis considering society economic and political factors; determining proper control measures and putting into effect, in order to reduce the accident risk degree, and then protect the human health and the ecosystem security.

作为风险管理在环境保护领域的应用，环境风险管理是指根据环境风险评价的结果，按照恰当的法规条例，选用有效的控制技术，进行削减风险的费用和效益分析；确定可接受风险度和可接受的损害水平；并进行政策分析及考虑社会经济和政治因素；决定适当的管理措施并付诸实施，以降低或消除事故风险度，保护人群健康与生态系统的安全。

Therefore, the study on effective control method for variable displacement pump regulating—system becomes the one of the major research direction in the field of hydraulic control.

随着电子技术、传感器技术和计算机技术的发展，电液控制变量泵在工程中开始得到应用。

The system adopts CPU board with fast processing elevator operational program, data signal exchange, and HMI screen, which can make sure reliable operation and high speed. It also has PHILIPS SJA1000T field CAN bus, 82C251 Bus interface and the latest serial storage technique to record data. The functions of external watchdog and control chip internal watchdog compose two-level procedure monitoring, so as to ensure the normal operation of the control program. Heavy-current switch power LM2576 ensures the stable system working power, which has low requirements for the power supply. High-speed optoelectronic isolator and internal frequency division technology can make NW3P08-41C (42C) CPU receive the input impulse up to 1-phase 100 KHZ*2 CHANEL or 2-phase 50KHZ*1 CHANEL 32bit.

系统采用原装中央处理板，具有快速的处理电梯运行程序、数据信号交换、显示屏人机界面；确保可靠运行电梯控制程序；且速度快，PHILIPS 公司 SJA1000T 现场 CAN 总线；以及 82C251BUS 接口，最新串行存贮技术记录数据；外部看门狗及控制芯片内部看门狗功能组成两级程序监视，确保控制程序正常运行；大电流开关电源 LM2576 确保系统工作电源稳定，且对供电电源要求低；高速光电隔离光藕及微机内部分频技术，使 NW3P08-41C(42C)中央处理板可接收高达 1 相 100KHZ*2通道或 2 相 50KHZ*1通道，32bit 的计数脉冲。

At last ,it drew a conclusion that summarined the design thought of permanent magnetic brushless DC motor control system after absenting waves of controllers work . Permanent Magnetic Brushless DC motor control system canbecome main power source in ship electric propulsion field ,and the research have important s signification.

最后，在控制系统实际运行时对波形进行了观测，给出了结论，总结了无刷直流电机控制系统的设计思想，提出永磁无刷直流电机将成为船舶电力推进的主要动力，对其控制系统的研究具有广泛的应用价值。

The purpose of reform of our media control system is to remove the structural obstacles that hinder the development of media productive forces, give full play to the fundamental role of market system, improve and strengthen the macro regulation power of the party and government, so as to adapt the entire media control system to socialist market economy, promote the rapid development of socialist media undertaking, improve its competitiveness, thus consolidating the leading role of Marxism in ideological field and meeting the growing need of the general public for cultural activities.

我国传媒控制体系的改革，就是要突破束缚传媒生产力发展的体制性障碍，充分发挥市场机制的基础作用，改善与加强党和政府的宏观调控能力，使整个传媒控制体制与社会主义市场经济体制相适应，促进社会主义传媒事业的快速发展，增强竞争力，从而巩固马克思主义在意识形态领域的领导地位，满足人民群众日益增长的精神文化需求。

With the development of information science, computer network technology provides a perfect solution for sharing information among devices. It is widely applied in field of automatic control. Train control system based on distributed network technology has become the new trend of development.

随着信息科学的发展，计算机网络技术为各种信息共享提供了完美的解决方案，并在自动控制领域获得了广泛应用，基于分布式网络的列车控制系统成为发展趋势。

LON is a Local Operating Network put forward by Echelon Corporation in March 1991, and offers a powerful means for distributed control system. Under its support, a new generation of intelligent and low cost field test control product comes into the world.

LON总线是美国Echelon公司于1991年3月推出的局部操作网络，为集散式监控系统提供了强有力的实现手段，在其支持下，诞生了新一代智能化低成本的现场测控产品。

These features, along with high-precision processing technologies have helped to miniaturise these products. The micropump is 6.0mm in diameter and 24.0mm in length, the microvalve measures 3.5mm in diameter and 10.3mm in length. The products are small but ensure high functionality by incorporating fluid, structure and magnetic field analysis simulations. Development will contribute to enhanced miniaturisation, an indispensable prerequisite for portable device fuel cells. Through the optimal design of diaphragm operations, valve configuration to prevent fluid backflow, materials and layout, Alps has achieved the effective control of larger amounts of fluid in a smaller chassis for its micropump. The unit also employs low-voltage electromagnetic drive systems, which contribute to easy control and fuel cell system engineering.

这 2002：机床，入世是挑战更是机遇专家指出要加大我国数控机床研发力度加快普及型数控机床的发展漫话中国机床制造业的服务竞争中国铣床和加工中心市场的现状和展望国内外车床的技术水平和发展方向世界加工中心的生产、需求和发展动向国内外机床发展趋势世界数控系统发展趋势切削加工技术和数控机床的发展现代机床产品技术发展趋势我国高速加工技术现状及发展趋势利用先进制造技术提升汽车活塞加工水平瓶盖及瓶口模具上特殊螺纹的数控车削深孔的螺纹加工数控车床螺纹切削方法分析与应用磨削蜗杆砂轮的修整精密零件多台阶面磨削的新方法曲轴连杆颈的跟踪磨削工艺

Mechanism of the gas field sand control is studied and a complete sand control technology is developed, and a satisfactory practical result is achieved.

从研究气田出砂机理入手，研究出一套完整的防砂工艺和方法，并且取得了良好的实施效果。

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。