This work is very useful to the application for fiber Bragg gratings in the large range of temperature, it therefore has important scientific and practical significance.

这项工作和光纤布拉格光栅在高温条件下的工程应用紧密相关，对今后研究、制作高性能光纤布拉格光栅具有一定的科学和实际的指导意义。

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The regenerative indirect evaporative cooling with the positive feedback principle, can further decrease the temperature of the prime air stream and expand the useful range of available energy.

回热式间接蒸发冷却具有正反馈式工作原理，能进一步降低一次空气温度，扩大有用能的利用范围。

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