Position control of d. c. motors has been done by means of pulse width modulation.
直流电机位置用脉冲宽度调制法控制。
Position control of d. c. motors has been done by means of pulse width modulation .
直流电机位置用脉冲宽度调制法控制。
Senator John C. Calhoun of South Carolina said the committee should write a declaration explaining the position of the South.
南卡罗莱纳州的参议员约翰。C.卡尔豪说，这个委员会应该起草一份声明，来表明南方的立场。
If you know the exact position at which the first character of the file owner begins, you can use -c option to display the first character of the file owner.
如果您知道文件属主信息开始的第一个字符的确切位置，可以使用- c选项来显示文件属主的第一个字符。
For any C. G. position, an increase in trim speed from any initial value to a larger one requires a downward deflection of the elevator.
对于任意一个重心位置，平衡速度由它的初始值变化到较大的值时要求升降舵向下偏转。
Bipolar analog IC (b a I c) occupies an important position in the RF IC, which is widely used in personal mobile communication.
双极模拟IC在广泛应用于个人移动通信的RF IC中占有重要地位。
This study sought to determine the effect of the number of cortices of screw purchase and ankle position on syndesmosis width and tibiotalar rotation in Weber C ankle fracture fixation.
本研究将探索在WeberC型踝关节骨折固定中，螺钉固定骨皮质数目及踝关节位置对于下胫腓联合宽度和胫距旋转的影响。
Navigating the Fluoroscope's C-Arm Back into Position: An Accurate and Practicable Solution to Cut Radiation and Optimize Intraoperative Workflow.
导航下投射器C形臂复位：一个准确的、适用的解决投射和优化术中工作的方法。
The new C-1 compressor maintains its position as the most flexible, polished sounding high end compressor on the market today.
新的C - 1压缩器在如今的高级压缩器市场保持了最灵活、最漂亮的声音的地位。
C language is used to build optimization program, and the position parameters of the hydraulic jar is optimized.
本文利用C语言编制了优化程序，对液压缸位置参数进行了优化。
In this paper, we try to make a constructive discussion on establishing the position of "Olympic mathematics" and the coach's training way in teachers 'c...
文中对确立“奥林匹克数学”地位和高师数学系对数学奥林匹克教练员的培养途径进行了建设性的探讨。
Being aim at pressure filter of TZJ96-3 type and GPJ96Z/3-C type, feed gate and proximity swith of collecting and controling its signal to be in position occurs as defect.
针对TZJ96-3和GPJ96Z/3-C型号的加压过滤机，排料闸板与采集并控制其开关到位信号的接近开关，在安装方式上存在设计缺陷。
A more unique way of describing this same position is: "Initiated a minimum of 60 outbound calls daily to C-level professionals in the software industry."
描述这个职位的更特别的方式就是：“每天最少打60个电话给软件行业的C级客户。”
Ask for the scale arrangemnt on the fourth position of the C key harmonica. It is better to note the overblow notes. Thanks.
请问谁有C调第四把位的音阶图，最好是图片，标注了超吹的，谢谢。
Hold your position, A/C on short final.
保持原位，短五边有飞机。
In the closed position of the circuit-breaker, the opening and closing spring are in charged state. This means the circuit-breaker is in a position to perform O-C-O switching sequences.
在断路器的合闸位置，分闸弹簧和合闸弹簧处于储能状态，此时开关可执行分-合-分操作。
This paper checked stability boundary and front control boundary for J-7 aircraft, analysed simply it's operating range of the c. g. position, estimated and discussed the c.
本文验算了J-7飞机的稳定边界和前操纵边界，简单分析了其重心使用范围。
Taking IF relationships and constraints as their study object, an IF theory probes IF's internal mechanism and take up an important position in modern information study. C.
信息流理论以信息流关系和制约关系为研究对象，研究信息流的内在机制，是现代信息研究的重要部分。
Position your cursor at the first letter 'C' of the document.
先将你的游标移到文件里的第一个字母'C'。
The vacuum circuit breaker and three-position disconnector are designed for C-GIS and special micro-computer controller for the three-position disconnector is developed.
介绍了C-GIS用真空断路器及三工位隔离开关的设计技术；运用微机技术开发了专用的三工位隔离开关控制器；
Teaching at M. I. T. : Arrived in the Boston area in Summer 1951 and began in position of C. L. E. Moore Instructor in the mathematics department of m.
任教于麻省理工学院：1951年夏天来到波士顿，起初任麻省理工学院数学系c。
Teaching at M. I. T. : Arrived in the Boston area in Summer 1951 and began in position of C. L. E. Moore Instructor in the mathematics department of m.
任教于麻省理工学院：1951年夏天来到波士顿，起初任麻省理工学院数学系c。
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