查询词典 echo chamber

Based on the relevant aspects constructed in history research of the Chamber of Commerce and new historiography,this paper probes into research angle,history explanation,theoretical thinking,and paradigm breakthrough respects in the Chamber of Commerce hisctory study,which build the academic meaning of new historiography.

本文在商会史研究与新史学建构的相关层面上，深入探讨了商会史研究在研究视角、历史解释、理论思维、范式突破诸方面对新史学建构的学术意义。

Regarding to model 1, firstly analyzes and studies principle as well as formation of detonation wave, the internal flow field structure of the detonation chamber. Then study the flow field structure near the outdoor of the detonation chamber, backflow process of the dilatation wave after detonation wave reach the outdoor and the change of thrust wall pressure and so on.

对于模型1，首先分析研究爆震波在爆震室内形成传播机理和爆震室的内流场结构，然后研究爆震波传出爆震管以后爆震管出口处的流场结构，膨胀波的回传过程以及推力壁压力随时间的变化等。

The fire coal falls on the chain fire grates from coal: bucket and hen goes into the furnace tank for burning, and the flame passes through the upper back arch of the combustion chamber and back snloke chamber and then through the second fire pipe Io the

燃料煤自煤斗落在链条炉排面上，进入炉膛燃烧后，火焰经过后拱上部燃烧室和后棚管烟室后进入二回程烟管到前烟箱，再由前烟箱折回第三回程管束后，通过热管空气预热器、多管除尘器，然后由引风机抽引经过烟囱排出。

Using the low-thrust propulsion system for the Russian space interceptor as a research object, the mathematical model of the components of the system is employed to analyze the influence of the combustion time lag on the response characteristics of the propulsion system with high-pressure chamber, and to analyze comparatively the computation results of the start and shutdown transients of the lowthrust propulsion system with high and low chamber pressures.

以俄罗斯空间拦截器用的小推力推进系统为研究对象，利用系统各部件的数学模型，分析了燃烧时滞对高压燃烧室推进系统响应特性的影响，对比了小推力高、低室压推进系统起动、关机过程的计算结果。

On the basis of chamber theory and industrial application,in this paper,a practical threedimensional mathematics method of turbulent combustion in combustion chamber of oil-fired float glass furnace has been established.

文摘：本文首先在综合横焰玻璃熔窑理论及实践的基础上，建立了具有实用意义的燃油浮法玻璃熔窑火焰空间燃烧过程的三维数学模型。

Close to the compressor impeller end of the sealing ring or rejection damaged oil ring, oil will enter the impeller chamber, and then later with the indoor air with pressurized by entering into the combustion chamber of the tube.

靠近压气叶轮一端的密封环或甩油环损坏后，机油由此进入叶轮室，然后随室内增压后的空气一同经进所管进入燃烧室。

Production of the Product has: Programmable constant temperature and humidity box, low-temperature chamber, oven, heat aging test chamber, salt spray test machine, drop test machine, tensile testing machine, testing machine with the current swing, elongation test machines, filling magnetic machines, shielding Net room, wave soldering, reflow, assembly line, such as environment, quality inspection equipment and production equipment, while custom-made a variety of unconventional instruments.

生产部的产品有：可程式恒温恒湿箱、低温试验箱、烤箱、热老化试验箱、盐雾试验机、跌落试验机，拉力试验机、带电流摇摆试验机、伸长力测试机、充磁机、屏蔽网房、波峰焊、回流焊、流水线等环境、质检仪器和生产设备，同时定做各种非常规仪器。

Is a production, sales agent service companies, Main Products and Services: constant temperature and humidity box; walk-in constant temperature and humidity room; salt spray test chamber; temperature shock test chamber; simulation of motor transport Test Units; Vibration Test Units; Units drop test; tensile testing machine; sclerometer; combustion test machine; electrical appliances and machine attachment test equipment; wire and cable and cable test equipment; microscopy; digital projector; image measuring instrument; coordinate measuring machine; voltage tester; Oscilloscopes; program-controlled variable frequency power supply; EMC instruments

惠尔仪器公司是一家集生产、代理销售为一体的服务性公司，主营产品和服务：恒温恒湿箱；步入式恒温恒湿室；盐雾试验箱；温度冲击试验箱；模拟汽车运输试验台；振动试验台；跌落试验台；拉力试验机；硬度计；燃烧试验机；电器产品附件及整机试验设备；电线电缆及连接线试验设备；显微镜；数字式投影仪；影像测量仪；三座标测量机；耐压测试仪；示波器；程控变频电源；EMC仪器等

Place the loaded bottle in the drying chamber, removing the stopper and leaving it also in the chamber.

把盛有样品称量杯放置在干燥器内，打开杯盖，放置在干燥室内。

The current charge of shaping the combustion chamber grain, with the exception of some small engine to achieve the end-grain plastic machinery, most of the engine combustion chamber grain still use manual methods of the plastic.

目前装药燃烧室药柱整形工艺，除一些小型发动机药柱实现了端面机械整形，大部分发动机燃烧室药柱仍采用手工整形的工艺方法。

I can not negligent, he should do what?

我不能不在意了，他要做什么呢？

It is very dangerous to swim in the river alone.

一个人到河里游泳是很危险的。