true altitude

基本解釋

It may not be true that altitude reaction among women would be stronger than that among men.
不見得吧。女士的高原反應就一定比男士強烈嗎？
blog.sina.com.cn
ABSTRACT: Many people tend to think that the higher altitude, the better quality. Is this true?
摘要：說到海拔高度，大家似乎都認為葡萄園的海拔越高，葡萄酒的質量越好。
www.wine-world.com
In target tracking domain estimating the true altitude of a target from 3-D radar is always been a challenge.
在目標跟蹤領域，通過三坐標雷達的測量值（斜距、仰角及方位角）來估算目標的真實高度一直是個難點。

Once at cruising altitude I dialed in an economy fuel setting of 53 gallons per hour at a true airspeed of 390mph.
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