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High height altitude这三个词从航空角度解释有什么区别呢? - 知乎 the term altitude is commonly used to mean the height above sea level of a location, in geography the term elevation is often preferred for this usage Vertical distance measurements in the "down" direction are commonly referred to as depth
应该如何理解梭罗的这句话:Beware of any occupation that requires a new set of . . . 如果梭罗活到今天,时尚行业,这个“不断要求新衣服”的行业,应该是梭罗最为不齿的行业之一了吧,他曾说“Most of the luxuries, and many of the so-called comforts of life, are not only not indispensable, but positive hindrances to the elevation of mankind” (瓦尔登湖第一章“Economy”)
民航里的QNH QNE QFE怎么区分理解 - 知乎 QNH是Query Normal Height的缩写,中文意为修正海平面气压高度,英文解释为Sea Level Atmospheric Pressure, 用于在机场区域按过渡高飞行。 QNE是Query Normal Elevation的缩写,中文意为标准气压高度,英文解释为Sea Level Standard Atmospheric Pressure,用于不同区域按过渡高度层飞行。在过渡高度与过渡高度层之间有过渡夹层