Major changes in tractor design include the power takeoff, the all-purpose or tricycle-type tractor, which enabled farmers to cultivate planted crops mechanically;
拖拉机设计的主要改变包括有动力输出装置，以及多用式或三轮型拖拉机的出现，这使农户实现机械化培育作物；
The design of an advanced control system to enhance the power system stability margin so as to achieve higher transfer limits is one of the major problems in the study of power systems.
因而，设计先进的控制系统，在提高电网传输能力的同时保证足够的稳定裕度成为电力系统的重要研究课题之一。
This paper introduces the functions, database system design, and the major features of fuel management MIS for thermal power plant.
介绍了火电厂燃料管理信息系统的功能设置、数据库体系设计与主要特点。
The design features of CANDU 6 Nuclear Power Plant are very different from those of some other reactor concepts, which are the major assurance for CANDU 6's safe and economic operation.
核电厂的设计特征与其它类型反应堆的核电厂很不相同，这些设计特征是CANDU6安全经济运行的主要保证。
The long-term dynamic characteristics of a thermodynamic system are of major significance to the design of simulation or control systems for various types of thermal power plants.
热力系统的长期动态特性对各种火电机组的仿真或控制系统设计具有十分重要的意义。
The major task of this paper is to design a portable data acquisition system, which collects the off cathodic potential with high-precision and low-power consumption.
本课题的主要任务是设计一个高精度、超低功耗，具有断电电位采集功能的阴极保护电位数据采集系统。
This paper describes duties, design criteria and major equipments of exhaust air cleaning for PWR nuclear power plants.
本文介绍了压水堆核电站排风净化的任务、设计准则和主要设备。
ShangHai POWER energy saving technology co., Ltd. is the high technology company. The major business includes design, manufacture, and the sale of the energy saving products.
上海帕瓦尔节能科技有限公司是一家集研发、生产、销售绿色环保型高效节能照明产品为一体的高新科技企业。
ShangHai POWER energy saving technology co., Ltd. is the high technology company. The major business includes design, manufacture, and the sale of the energy saving products.
上海帕瓦尔节能科技有限公司是一家集研发、生产、销售绿色环保型高效节能照明产品为一体的高新科技企业。
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