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Height above Landing Area 着陆区上空高度
Heatsink eff decreases with height above sealevel. 散热片的作用随着海拔增加而降低.
A Dutch and South African unit of land area equal to 2.1 acres. 摩肯荷兰和南非使用的土地面积单位，相当于2.;1英亩。
The area with the higher than altitude adolescent of the region with low height above sea level is tall. 海拔低的地区的青少年比海拔高的地区为高。
The portion of the atmosphere above a particular land area, especially that of a political subdivision such as a nation. 空域; 领空某一特定地区之上的空域，通常是政治划分区，如国家的领空
An altimeter is used for measuring height above sea-level. 高度计是用来测量海拔高度的。
To complete this manuuver fly, backward to a hover above the landing area. 后退飞行至降落区的上空保持倒飞停悬，即完成此动作。
State whether winch or landing area provided? 如果是,叙述是绞盘或着陆区?
To complete this manuuver, fly backward to a hover above the landing area. 後退飞行至降落区的上空保持停悬，即完成此动作。
The additional tower height above the cable connection is purely decorative. 在钢索连接处以上多加的塔的高度纯粹是装饰性的。
To land an aircraft short of(a landing area). 使飞机着陆未达（着陆区域）
To land short of a landing area. 着陆未达到着陆区域
What is maximum vertical height above deck plating at aft athwartships coaming? 后部横向围板处在甲板上的最大垂直高度是多少?
A land area of uniform elevation. 平原，平地高度一致的地面
A barometric altimeter indicates height above sea level or some other selected elevation. 气压高度表用以指示海平面或另外某个被选定高度以上的高度。
Radar altimeters are used in aircraft to indicate height above the ground of sea. 雷达高度表用以指示飞机相对于地面或海平面的高度。
Land with the skids completely within the landing area. 降落时脚架需完全落在降落区内。
Such an installation in which the landing area is on water. 航空港可在水中停靠的上述设施
Elevation differences small compared with the earth's redius, this is proportional to the height above sea level. 高程差与地球半径相比显得很小，它与海洋面以上的高度成正比。
Take-off from the landing area to eye-level, hold momentarily. 由降落区将直升机垂直起飞至与眼睛同高，静止停悬几秒钟。