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- constant altitude balloon 恒高度气球
- Effect of High Altitude Balloon Flight on Seed Yield and Fatty Acid Composition in Seed Oil of Celosia cristata L. 高空气球飞行对鸡冠花籽粒产量及籽油脂肪酸组分的影响。
- Fly in a circle back to the starting point, while maintaining constant altitude, and speed. 保持等高度及等速度,执行前进水平圆一圈後回到起始点。
- No doubt you are familiar with geographical contour maps, which show lines of constant altitude. 无疑，你们熟悉地理上的等值线地图，它示出等高线。
- While maintaining constant altitude, speed and heading, begin a forward hovering circle to either the right or the left. 将直升机保持在同高度、同速度以及机头朝固定的方向,向右或向左开始执行水平圆的动作。
- With the helicopter hovering Nose-In pull back cyclic, and work the collective to complete at least two (2) full back tumbles while maintaining a constant altitude and heading. 机头朝向操控者保持停悬，将升降舵拉升舵使直升机保持固定的高度及方向，向后翻滚至少二圈。
- The tentative design of constant altitude flight solid rocket composed of the sustainer ,the booster and its simple control method is presented. 介绍了主发动机加助推器和简易控制方法实现固体火箭等高飞行的设计方案。
- While maintaining constant altitude, speed and heading begin a circle to either the right or the left with the tail of the helicopter pointing to the center of the circle. 保持机尾朝向圆心,且以等高度、等速度的方式,执行水平圆。
- With the helicopter hovering Tail-In pull back cyclic, and work the collective to complete at least two (2) full back tumbles while maintaining a constant altitude and heading. 机尾朝向操控者保持停悬，将升降舵拉升舵使直升机保持固定的高度及方向，向后翻滚至少二圈。
- The Pentagon does not comment on UFOs,except to say they do not exist and that such objects really are high altitude balloons or military aircraft. 五角大楼除了说不明飞行物不存在、所谓的不明飞行物实际上是高空气球或军用飞机外，没有对不明飞行物作更多评论。
- Abstract: Two different approximate solutions are proposed and compared with the numerical solution of the constant altitude - constant Mach number cruise range for turbojet/fan aircraft. 文章摘要: 给出了涡喷／涡扇飞机定高定速巡航段航程的两种估算方法，考虑了机翼弯度和耗油率变化的因素，并进行了数值计算。
- Constant altitude plan position indicator, CAPPI; 等高平面位置显示器;
- Constant Altitude Plan Position Indicator 等高平面位置指示器
- His wife was a constant inspiration to him. 他的妻子经常鼓励他。
- Improved Constant Altitude Control 改进的等高控制
- A balloon floated across the sky. 有个气球从空中飘过。
- I don't want to be around when the balloon goes up. 要出事了，我趁早离开是非之地。
- He burst the balloon with a prick of the pin. 他用针一戳，气球就爆了。
- A thrust with the pin broke the balloon. 用针一戳，气球就爆了。
- The balloon burst and fell to earth. 气球破裂而落到地上。
