The hot-wire air flow sensor is a kind of sensor that can measure the mass flow of air directly.

热线式流量计是一种可以直接测量空气质量流量的传感器。

youdao

The experimental result shows: with oxidizing chromiums at three, at catalyst, ammonia water mix: 1.5:1and1:1, open to copper wire air, obvious phenomenon was realized.

实验结果表明：以三氧化二铬、铜丝为催化剂，氨水配比1.5∶1和1∶1，通入空气时实验效果最佳。

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No one can walk the wire in the air without a bit of fear unless trained very young.

没有人能在空中毫无畏惧地走钢丝，除非从小就接受过训练。

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It is a line drawing made out of aluminum wire that looks like a wavy net floating in mid-air.

VOA: special.2009.05.06

Yera, 42, is slightly built, and his wire-rimmed glasses give him a professorial air.

FORBES: Magazine Article

Lucent's 30, 000 techies work on such advances as plastic fiber flexible enough to wire your home, a new over-the-air laser system for local optical transmission and routers with mind-boggling capacity.

FORBES: Wired and restless

Wallenda, a U.S. passport tucked in his pocket, pumped his fist in the air and sprinted the last few steps on the two-inch-wide wire.

CNN: January 29, 2013 -- Updated 1437 GMT (2237 HKT)