safe altitude

A study on safe time limit of high concentration oxygen therapy in rabbits with hemorrhagic shock in high altitude

高浓度氧疗用于高原失血性休克的安全时限研究

Can provide users with efficient, safe, all-round high-altitude operations, cargo lift programme.

可为用户提供高效, 安全, 全方位 的高空作业, 货物举升方案.

Tenerife, in the Canary Islands, has some of the clearest, darkest skies in the world because of its high altitude, its closeness to the equator, and its safe distance from tropical storms.

卡纳里岛上的特纳里夫岛，高海拔使它拥有世界上最干净、最漆黑的夜空之一。它靠近赤道，却与热带风暴保持着安全距离。

Study of the Safe Altitude of Down Landing-Gear of a Fighter on Altiplano Airport

某型飞机高原机场放起落架的安全高度

Then, the altitude loss of JJ5 airplane medium altitude accidental spin in different phases is estimated and spin minimum safe parachuting altitude is calculated.

其次，估算了J J5飞机中空意外尾旋各阶段的高度损失，计算了尾旋最低安全跳伞高度。