查询词典 echo chamber

The non-potable water expansion tank shall be of drawn steel construction. It shall have a Butyl diaphragm separating the air chamber from the water containing chamber.

非饮用水膨胀罐应该采用拉制钢结构，应该采用丁基合成橡胶隔膜将气体腔与水腔隔离开来。

The lower chamber is moved up and down so as to come together with the upper chamber to form a sealed attaching space.

下腔室向上和向下移动，以便与上腔室合在一起以形成密封的附着空间。

The increase in the diffusional deposition was found to occur mainly in the chamber after the vane section when the gas expands and slows down. Therefore, particles have longer residence time to be collected in the chamber by diffusion.

此外发现微粒的扩散损失主要发生於导翼片之后的微粒收集腔体中，因为气流出了导翼片之后速度大幅降低，微粒因而有较长的停留时间由於扩散作用而被收集。

In this paper, a specially made root chamber system with two compartments and nine gas collection pipes was used to collect the N2O in soil air of nine different spatial position in the root chamber. The following treatments were also used:(1) Two selective nitrification inhibitors, C2H2 and DCD in low concentration were used to study the nitrification process under different NH4+-N levels and its contribution to N2O release.

用特制的带有9根采气管的两室根箱系统，采集和分析根箱中9个不同部位土壤空气中N2O的浓度，结合使用具有选择性的硝化抑制剂（包括低浓度的C2H2和DCD），研究在不同铵态氮水平下的硝化过程及其对N2O气体释放的贡献；结合使用高浓度的C2H2，抑制反硝化过程中N2O到N2的还原，研究在不同铵态氮水平下的反硝化过程及其对N2O气体释放的贡献。

Earlier combustor designs, such as the V-2 and Redstone, had low chamber pressure, low heat flux and low coolant pressure requirements, which could be satisfied by a simplified "double wall chamber" design with regenerative and film cooling.

较早前燃烧室的设计，如V型2和雷石东，低商会的压力，低热流和低冷却液压力的要求，这可能是满意的一种简化的&双壁商会&的设计与蓄热式和薄膜冷却。

A prime example of a channel wall combustion chamber is the SSME, which operates at 3,000 psia nominal chamber pressure at 6500°R for a duration of 520 seconds.

一个主要的例子，一个渠道，墙燃烧室是ssme ，运作，在3000 psia名义商会的压力，在6500 ° R的一期520秒。

In the raft mari-culture waters of the Jiaozhou Bay, China, a benthic chamber system for production measurement in situ was established. The O 2-flux was calculated based on the benthic closed-circuit chamber incubations of undisturbed sediment under light and dark conditions for estimating the benthic primary production and respiration.

为对生态系统的健康评估及底栖生物资源的开发利用提供技术支撑，在胶州湾筏式养殖水域，建立了底栖生物生产力现场测试系统，并在光照和黑暗条件下测定了沉积物海水界面溶解氧随时间的变化、计算了氧通量、估算了底栖总初级生产力和群落呼吸。

Combustion efficiency and heat losses through the chamber wall both tend to produce a lower chamber pressure than predicted by theory.

燃烧效率和热损失，通过会议厅墙上都倾向于产生下议院的压力比预料的理论。

The lower chamber may also be programmed and operated as a separate temperature cycling chamber for greater ROI.

试验箱低温箱部分也可进行独立编程和操作，可作为一个单独的温度循环试验箱，有更大的投资回报率。

The product uses our unique vertical structure with lower and upper chamber, among which the upper chamber has functions of frying and deoiling.

该产品采用我厂首创的上、下双室的立式结构，上室具有油炸和脱油两大功能。

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。