The USPS used an elaborate system ofpneumatic tubes during the early 19th century, but London took anentirely different approach and built this scaled-down railroad systemto be used only for parcels.
19世纪初美国邮政使用了气动管精密系统，但伦敦使用了完全不同的方式，建立了这个小规模的铁路系统，只能用于包裹运输使用。
To test how the system works, the team tried making two different kinds of pores - some that were uniformly sized tubes, others that had a narrow bottleneck at one point and then widened out.
测试这个系统的性能，该小组坐了两个不同的孔，一个是上下大小相同的管子，另一个是上小下大的。
The head of the ox was designed with a complex system of tubes and stops so that the prisoner’s screams were converted into sounds like the bellowing of an infuriated bull.
牛头的部分是十分复杂的管道和弯道,受刑人的尖叫会被转变为类似被激怒的公牛死后的声音.
Weighing 25 percent less than the conventional 18-mm tube, the 16-mm tube allows four image tubes to comprise a system without adversely affecting the total weight.
这种16毫米管的重量比常规的18毫米管轻25%，可以用4个成像管组成一个系统，而且对系统的总重量没有不良影响。
Every processor in the computer has these tubes directly attached to them, so no processor in the system overheats.
直接附着于计算机的每个处理器，使之不会过热。
An all-electrostatic focusing and deflecting system characterized by simple lens system is introduced The new system is very useful in producing compact high-performance camera tubes.
介绍了一种采用只含有会聚场的单透镜的全静电聚焦和偏转系统，这种系统非常适用于制作小型高性能摄象管。
The fuel system consists of the fuel tank, fuel pump, fuel filter, carburetor, intake manifold, and fuel lines, or tubes, connecting the tank, pump, and carburetor.
燃料系统包括汽油箱、汽油泵、汽油滤清器、化油器、进气歧管以及连接油箱、油泵和化油器的油管。
A digital detecting system of four tubes leak of boiler in power plant based on virtual instruments was introduced.
介绍了一种基于虚拟仪器的火电厂锅炉四管泄漏数字化声学检测系统。
The corrosion condition of brass tubes used in condenser in recycle cooling water system with AC impedance was explored.
探讨交流阻抗法研究凝汽器黄铜管在循环冷却水系统中的腐蚀问题。
The operation principles, technical requirements and service conditions for the two different kinds of helium blowdown tubes and helium recovery system are presented.
本文对上述两种情况下的氦气放空管道和回收系统的工作原理、技术要求和使用情况做了介绍。
Based on the regional outfitting technology establish the coding system, such as tubes coding.
本文在区域舾装技术的基础上，建立了舾装件编码体系，如管件编码。
The result showed that the excretory system of each consists of the flame cells, the excretory tubes and the excretory bladder.
结果显示，两种吸虫的排泄系统均由焰细胞、排泄管和排泄囊组成。
This system can effectively and quickly find out the real cause of boiler tubes blast and leakage with specific measures given.
开发出“四管”爆漏诊断专家系统，此系统可有效的快速发现爆漏的原因，提供解决措施，提高机组利用率。
The system must be divided according to pressure capacity of the host equipment , tubes , end facility etc.
系统分区必须根据主机、管道、末端设备等的承压能力划分。
Automated bulk tube hoppers are used for tube storage, designed to store and feed aluminum tubes to be processed in the system.
自动容量的管料斗可用于管存储，为存储和向系统供应铝管而设计。
Elon Musk's vision of a Hyperloop transport system that carries passengers in pressurised tubes at near-supersonic speeds is on track to hit a milestone.
伊隆·马斯克的超级高铁创想——加压密封车厢以近于超音速的速度运送乘客——即将见证里程碑式的新突破。
The conveyor system moves the tubes clockwise towards the cleaning and filling station.
传送带系统以顺时针方向将管筒移动到清洁和填装站。
In this system, many transparent tubes filled with liquid are used for background, and there is a solenoid valve at the bottom of each tube, which can produce bubbles in the tube.
这种成像系统以充满液体的透明管作为背景，通过电磁阀向管中通入气体来表示像素点，从而进行二值图像的显示。
An inventor and an enthusiast for alternative energy, Lucien Gambarota has just invented an electrical system that could breathe new life into broken fluorescent tubes.
身为一个发明家，和一个非传统能的热衷者，路斯恩甘柏乐塔近期，发明了一个电气系统，可为坏掉的日光灯重获新生。
High: Get a solar hot water system, either flat panel (left on this photo) or evacuated tubes.
高：找一个太阳能热水系统，无论是平板(这张照片上左)或撤离管。
This paper presents the application of a full-digital AC-servo driver to an automatic cutting control system for aluminium plastic tubes.
本文主要介绍了全数字式交流伺服驱动器在铝塑管自动切割控制系统中的应用。
The cycle of two ethane furnaces in No. 1 ethylene plant of YPC Limited Company is very short. The short life-span of tubes in radiation section affects the stable operation of quench oil system.
中国石化扬子石油化工股份有限公司烯烃厂1号乙烯装置两台乙烷炉运行周期一直偏低，辐射段炉管使用寿命较短，并影响急冷油减粘系统的稳定运行。
Wall-thickness accuracy of steel tubes rolled on a pilger mill can be improved with the automatic process control system established.
建立工艺过程自动控制系统提高周期轧管机轧制的钢管壁厚精度。
The Portal of Evolution sculpture at Burning Man was supposed to represent a 26-feet-tall version of the female reproductive system, with fallopian tubes and ovaries.
在燃烧曼门户演变雕塑被认为代表了女性生殖系统26英尺高的版本，输卵管和卵巢。
Meanwhile, through acquisition, analysis and processing to the sort of acoustic emission signals, the testing system for the leakage of "four tubes" of boiler will be set up.
通过采集这种声发射信号并分析处理，建立了检测锅炉“四管”泄漏的检测系统。
This experiment is about falling film evaporation on horizontal tubes which is based on the large-scale desalination experiment for attaining the main data affecting the desalination system.
本实验是建立在海水淡化大型实验设备的基础上的水平管降膜实验，主要目的是建立水平管降膜蒸发实验装置并进行实验，得到影响海水淡化实验的主要数据资料。
The mechanics performances and characters of concrete filled steel tubes staggered truss system is introduced.
介绍了钢管混凝土错列桁架体系的受力性能及特点。
The characteristic velocities and the compatibility relations along characteristics are derived from the system of equations for the motion of thin magnetic flux tubes.
从细磁通量管运动方程组导出了特征速度、特征线及其相容关系。
The characteristic velocities and the compatibility relations along characteristics are derived from the system of equations for the motion of thin magnetic flux tubes.
从细磁通量管运动方程组导出了特征速度、特征线及其相容关系。
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