您要查找的是不是：
- We are flying at an altitude of 20000 feet. 我们的飞行高度是20000英尺。
- The airliner flew at an altitude of 20000ft. 客机在两万英尺的高度飞行。
- At this altitude you often get strong winds. 在这一纬度地区，经常有大风。
- The plane flew at an altitude of30000 feet. 飞机在三万英尺的高空飞行。
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- Their criticism was not negative. 他们的批评并不是负面的。
- Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
- Some people develop altitude sickness when climbing high mountains. 有些人在爬高山时会发生高山反应。
- The pilot blacked out for a moment upon reaching such a high altitude. 飞机上升到这样高度时，飞行员昏厥了片刻时间。
- The plane was then flying at an altitude of 8000 feet. 当时飞机在八千英尺的高度飞行。
- negative altitude 负高
- I have a negative opinion on the value of this idea. 我对这个主意持反对意见。
- What is the altitude of this village? 这个村子海拔多少?
- How many copies do you ask us to print off from the negative? ＂用那张底片，你要我们印几张像片？＂
- A way of producing the negative of a number by obtaining its complement. 一种通过求一个数的补码来得到该数的负数的方法。
- The positive or negative character of a proposition. 命题的性质命题的肯定或否定的性质
- The altitude of the lowest layer of clouds. 云幕高度最低层云的海拔高度
- An electron with a negative charge, as contrasted with a positron. 电子带有负电荷，与正电荷相反的电子
