查询词典 rack

Rack one's brain,英文的解释是to cause great mental suffering, to torture brain by means of the rack.

即，用尽心思去思考事情，太用心了，好象饱受精神上的折磨。用汉语中的"绞尽脑汁"来形容正好。

Rack one's brains; rack one's wits about sth.; task one's mind

例句碰到了这个难题；他～也想不出解决的办法来。

Rack one's brains 绞尽脑汁 He had to rack his brains to solve that complicated problem.

他不得不绞尽脑汁去解决那个复杂问题。

The roof rack system with sliding rail s and a single-hand adjuster for horizontal rack can accommodate objects as heavy as 75 km.

车顶行李架与车顶滑轨配合得天衣无缝，它可以承载75公斤的重量

The roof rack system with sliding rail s and a single-hand adjuster for horizontal rack can accommodate objects as heavy as 75 kg.

车顶行李架与车顶滑轨配合得天衣无缝，它可以承载75公斤的重量

The paper introduces the basic structure and transmission principle of push rod rack drive and gives the formula and recommendatory value of the main parameters of the push rod rack drive,which provides a theoretical basis for its design and manufacture.

介绍了推杆齿条传动的的基本结构和传动原理，给出了推杆齿条传动主要参数的设计公式与推荐值，为该传动的设计及加工制造提供了理论依据

Alloy frame, Double Wall Alloy tire circle, Dishing brake, forging suspension front fork, Alloy adjustable handlebar stem with gears, alloy handle, alloy retroflex saddle tube, alloy adjustable rack, middle parking rack, Alum-plating electric mudgurads, alloy cranks, 1.75 glisten tires. SHIMANO 6-speed chains linker, SHIMANO gearlever, spring saddle,24V.9AH/13AH battery, intelligent meterplate, LED front and rear lights, 3-grade Electric Assist Driving System（1st,Bike;2nd,1:1 Standard Riding Pull-assist; 3rd,Strong Pull-Assist） 6-grade Manual speed changes,1.8A NiMH Battery chargerAlloy Power-cut Brake handle

描述： 6061#铝合金高强度车架，铝双层车圈、前后碟刹、铝前花鼓、锻造铝合金减震前叉、有牙铝合金把立、铝合金把横、铝合金翻转鞍管、铝合金可调节衣架、中支撑、铝合金曲柄，镀铝导电型前后泥板、1.75反光轮胎、禧玛诺外6速拨链器、禧玛诺变速杆、弹簧减震坐垫、9AH/13AH镍氢电池、智能仪表盘、LED照明前灯、后LED灯、三档电动助力驱动系统（一挡、自行车；二挡、1：1标准骑行助力；三挡、强助力）、6档机械变速、1.8A镍氢电池充电器、全铝断电刹车握把。

Motibity changed by gear-box in direction and rotate speed is transferred to the blade axis on the right side to drive the blade axis. blade axis'parameter, blade assembling frame and blade assembling means are ascertained. The load and movement of the blade axis are analyzed. And the best blade rotate speed is ascertained. According to the request of no-tillage soil, the appropriate furrow openers are chosen. They are staggered and assembled in two rows .According to the sliding cutting request, the crucial parts of the anti-blocking——the sliding cutting blade, its edge curve is analyzed and designed in principle. The academic curve function is gotten. Combined with working practice and technics request, the blade's figuration parameter is designed, 65Mn is chosen as the material for blades. The working load is analyzed. And the intension of the sliding cutting is analyzed and checked with ANSYS software. At last, the spring rack of the suppress wheal is analyzed in principle. The theory and parameter of designing the spring rack of the suppress wheal. Experiment indicated that the anti-blocking capability of this anti-blocking equipment was excellent.

设计出适合此防堵装置的动力传输方案，动力经变速箱变向变速后从右侧传给刀轴，驱使刀片切割秸秆；确定出了刀轴的参数、刀片的安装结构和安装方法，对刀轴的受力和运动进行了分析，确定出了刀轴最佳转速；根据免耕地的要求，选择恰当的开沟器，并采用双排错位安装的办法，避免了"瓶颈"现象的发生；根据滑切的要求对此防堵装置的关键部件——滑切刀片的刃口曲线进行了理论分析和设计，得到了刀刃的理论曲线方程；结合生产实践及工艺要求，设计出刀片的外形参数，选择65Mn作为刀片的材料；分析和计算了刀片在工作中承受的载荷，运用ANSYS 软件对滑切刀片的强度进行了分析校核；最后对镇压轮的弹簧支架结构进行了理论分析，提出了设计镇压轮弹簧支架的理论和参数依据。

The winning post appeared in the next rack, and the transplanted Philippino star would take no more chances as he won the fourteenth rack to take the victory with a 9-5 scoreline.

得奖后出现在未来的机架，以及移植菲星将采取任何有更多机会为他赢得了第十四机架采取的胜利，与九月五日比分。

The winning post appeared in the next rack, and the transplanted Philippino star would take no more chances as he won the fourteenth rack to take the victory with a 9-5 scoreline.The final between Martel and Montal was contested over a race to 11 racks.

得奖后出现在未来的机架，以及移植菲星将采取任何有更多机会为他赢得了第十四机架采取的胜利，与9月5日scoreline.the最后之间的马特尔和蒙塔尔是有争议的一个种族至11架。

More than five decades after the Indian constitution promises a casteless society, there is no sign that the castes are disappearing.

在印度宪法允诺一个&无种姓&社会五十多年后，种姓尚没有显示出任何要消失的迹象，但变化也确确实实地发生了。

Don't distract him from his studies.

他在学习不要打扰他。