DSP2407 controller is adopted to complete the research & development of three-phase PWM rectifier based on the per unit system and the current decoupled control.
采用DSP2407控制器、基于标幺值法及电流解耦控制完成了三相两电平PWM整流电源的研制。
The communication of available functionality was critical since there were only three weeks per iteration to perform system test application design, code, and unit test.
对可用功能的交流是至关重要的，因为每个迭代中只有三个星期是执行系统测试应用程序的设计、编码，和单元测试的。
The other way to think about it is divergence is the source rate, it is the amount of fluid that is being inserted into the system, that is being pumped into the system per unit time per unit area.
另外一个理解方法是，散度是源头的“冒出率”，它是流体往系统输入的量，也就是单位时间内，单位面积新冒出的流体。
It is important that how to employ limited cultivable areas to make per unit yield attain maximum without influencing ecological system and controlling production cost.
如何利用有限的耕地面积，在不影响生态平衡和控制生产成本的前提下，使单产达到一个新的水平，就显得尤其重要。
The more intensive the agricultural production system, the greater the energy required per unit of productions.
农业生产体系越集约，其单位产品所需要的能量就越多。
The land cost should be evaluated and determined in accordance with the category of the projects, location, investment per unit, etc. , implementing the a case-for-case system.
按专案类型、落户地域及单位面积投资额等因素评估确定，实行“一事一议”制度。
A micro controller unit control system for special type resistance welding machine is developed in the pa-per.
本文讨论了一种用于控制特种电阻焊机的单片机控制系统。
After the optimum design for this two different structure hydrostatic bearings, their spindle system rigids per unit power consumption will be doubled.
与普通设计方法相比，两种不同结构液体静压轴承经优化设计后，其单位总功耗的主轴系统刚度都可成倍增加。
Taking the minimum cost per unit power generation as the objective function, a thermo-economic optimization model for gas and steam combined cycle power generation system is established.
以单位发电量最低成本为目标函数，建立了燃气-蒸汽联合循环发电系统的热经济学优化模型。
Moreover, some important system performance parameters were obtained, such as the cooling seasonal performance factor and the cold extraction rate per unit depth of borehole.
另外，还获得了一些重要的系统性能参数，如季节供冷系数、单位埋深取冷率。
Adequate root number, deep root system, and efficient root activity per unit of root biomass will be needed for high-yield rice in the future breeding programs.
提出了未来水稻根系育种的一个方向，既适当控制根系的数量，增加根的平均长度，加深根在土壤中的分布，扩大根系的面积以及提高单位根量的根功能。
A unit in the International System specified as one International coulomb per second and equal to0.999835 ampere.
安培一种国际系统单位，指每秒中流过一国际标准库仑的电量，相当于0。999835安培。
A unit in the International System specified as one International coulomb per second and equal to0.999835 ampere.
安培一种国际系统单位，指每秒中流过一国际标准库仑的电量，相当于0。999835安培。
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