The air foot, wafer supporting stage system, the design and calculating methods of STAMP are discussed, the design data and calculating results are given.

讨论了气足、承片台系统及STAMP的设计和计算方法，并给出了设计数据与计算结果。

youdao

Houses built before 1939 use about 50% more energy per square foot than those built after 2000, mainly due to the tiny cracks and gaps that expand over time and let in more outside air.

1939年以前建造的房屋每平方英尺消耗的能源比2000年以后建造的房屋多50%，这主要是由于微小的裂缝随着时间的推移而扩大，更多的外部空气进入了裂缝。

youdao

There was a lowering sky overhead, sloppy ground under foot, and a winter chill in the air.

头顶上是低沉的天空，脚下是泥泞的地面，空气中弥漫着冬日的寒意。

youdao

Now I didn't use--no hands-- that was just the notes that are naturally on the twelve and a half-foot length of vibrating air.

我没有用手控制,都是十二个半英尺高的震动空气柱,自然产生的音符

耶鲁公开课 - 聆听音乐课程节选

An additional restriction is that vessels must have less than a 190-foot air draft.

FORBES: The Port of New York and New Jersey, a Critical Hub of Global Commerce

In the past few years several ships have struck the bridge because its 151 foot air draft is simply too small for the larger class ships that are calling on the port.

FORBES: The Port of New York and New Jersey, a Critical Hub of Global Commerce

"His foot was in the air as he was trying to control the ball, which was coming down, " explained Jefferies.

BBC: Hearts fail with appeal against Kingston dismissal