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When we determine strip-base breadth on the basis of design codes, the realistic base area of the strip-base is less than the calculated base area resulting in insufficient bear-load capability of ground, because the base breadths don't contain overlapping part of strip- bases.

按规范方法确定的条形基础宽度,由于未考虑纵横墙条形基础的重叠部分,所构成的基底实际面积比计算所需的基底面积减少,相应地造成其地基承载力的不足。

This topic returns in view of the cut type switch spreads the type switch "to return for the predecessor design spreads the type electric power switch utilization in the LED lamps and lanterns" is the research direction, to achieve take reduces the power loss to replace the tradition operational amplifier pulse wave width accent as the goal using IC UC3842 changes part, the actuation returns spreads the type electric power switch's switch of Power MOSFET, so as to controls instead spreads the type electric power switch breakover closure's time then control voltage output size, achieves the output voltage to the load LED lamps and lanterns adjusts the LED lamps and lanterns brightness the goal.

各位大大抱歉~!因为英文底子不好!希望大家帮忙翻译一下,希望不要用翻译软体翻的最好是自己翻!拜托了!本专题针对切换式转换器的返驰式转换器为前身设计「返驰式电力转换器运用在LED灯具」为研究方向,为达到以减少功率损失为目的利用IC UC3842代替传统运算放大器脉波宽度调变部分,驱动返驰式电力转换器的Power MOSFET之开关,藉以控制反驰式电力转换器导通截止的时间进而控制电压输出的大小,输出电压至负载LED灯具达成调节LED灯具亮度的目的。

The principle is using thefast breakover of avalanche transistor drive the electron tube. The full time of 4200Vvoltage is about 20ns. The circuit can normally work under 100kHz frequencies.Design an extra fast Q-switch circuit by series arrangement of avalanche transistor.

本论文主要做了以下几方面工作:1、推导了重复率激光基本参数(脉冲能量、脉冲宽度和峰值功率)与周期的关系,并且分析了重复率激光系统运转的稳定性。2、设计了雪崩管-电子管退压电路,由雪崩管驱动电子管开关,4200V高压退压沿20ns左右,能够在100kHz频率下工作。

Head The head of a Briard always gives the impression of length, having sufficient width without being cumbersome.

伯瑞犬头部给人的印象是长,有足够的宽度,但不显得笨重。

The head of a Briard always gives the impression of length, having sufficient width without being cumbersome.

伯瑞犬头部给人的印象是长,有足够的宽度,但不显得笨重。

The piecewise function of the relationship between the full width at half maximum of the centre bright fringe and the rectangular aperture width was put forward as well.

给出的中央亮条纹强度半最大值宽度与矩形光阑边长关系的拟合表达式,可为激光应用装置的设计提供理论支持。

Ram sealing surface than the valve seat to seal a broad margin, and to ensure that the valve is not in use before the sealing of the bottom line and the gate valve seat bottom line sealing surface at the same level, so that the valve in the use of a certain period of time after not even wear Will reduce the need to ensure the sealing surface width.

闸板密封面比阀座密封面宽出一定的余量,并保证阀门在未使用前闸板密封面底线与阀座密封面底线在同一高度,使阀门在使用一定时间后即使磨损也不会减少必须保证的密封面宽度

Middle age is when broadness of mind and narrowness of waist change places.

人到中年就是思想的宽度和腰围的纤度对调。

The length of central region of the cell decreases with the increasing oscillation amplitude and Strouhal number. The movement of Brownian particles can be either periodic or chaotic from whichever region the particles originate.

模拟结果表明,涡胞中心区质点的运动有强周期性,轨迹呈螺旋形状,而边缘区质点的运动是一种混沌行为,两区的质点被分界线隔开;中心区宽度随振幅、Strouhal数的增大而减小;布朗粒子的分子扩散效应可以克服两区分界线的限制。

The contraction of the buccinator limits not so much the height as the width of the buccal flange.

颊肌收缩对义齿颊侧基托翼缘高度的限制较宽度为弱。

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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。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力