The general defect of this type of system is that there is no actual feedback of the true air flow.

该类系统的普遍缺陷就是没有真实空气流量的实际返馈。

youdao

Eventually the temperature of the surface waters of the sea rose, not so fast as the air temperature it is true, but fast enough to produce a dangerous increase of humidity.

最终，海水表面的温度上升，虽然不像空气温度上升那么快，但已经快到足以造成危险的湿度上升。

youdao

Your airline, your distribution partners and your biggest customers have a responsibility to enable travelers to compare both the true costs and benefits of their full scope of air travel options.

航空公司、分销伙伴和您最主要的客户群，均有责任让旅行者能够对各种航空产品整体的真正成本和效益进行对比。

youdao

If costs continue to fall and safety standards continue to rise, the true promise of air travel would arrive: ordinary people would enjoy a high degree of flexibility and convenience that, until now, has been available only to the rich.

ECONOMIST: Air travel

The same is true of heating and air conditioning repair, where a year or more of vocational training is usually required.

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But this is a true transformation of Iranian air power.

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