It is very important to study the propagation of premixed flame in a round tube or parallel channels for the safe operation and application of many industrial combustion facilities and systems.

研究预混火焰在圆管或平行通道中的传播，对许多工业燃烧装置或系统的安全操作和实际应用都具有重要的意义。

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The constructions of explosion suppression are multi-layer mesh construction and narrow parallel channels construction.

抑制爆炸的结构为多层丝网结构和平行狭缝结构。

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Flow instability in parallel channels is one of the important factors that affect operation safety of all large-capacity power boilers and nuclear reactor systems.

平行通道流动不稳定性的问题是影响各种大型电站锅炉和反应堆系统安全运行的重要因素之一。

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WDM, a technique that allows a single optical path to carry thousands of parallel channels, as long as each is encoded in a slightly different colour.

ECONOMIST: Optical communications

Avtovaz has in past months tackled the gangsters who used to spirit cars into parallel distribution channels (such as roadside sales lots, brazenly located next to the factory).

ECONOMIST: Russia