在失事危险最大的起飞与降落阶段一定要紧紧地系着它。
And fasten it quite snugly at landing and takeoff, when crash danger is at a maximum.
攻占诺曼底由整夜的降落伞和滑翔机空降、大规模的空袭、海军轰炸和6月6日早晨展开的两栖作战阶段组成。
The Normandy invasion began with overnight parachute and glider landings, massive air attacks, naval bombardments, and an early morning amphibious phase began on June 6.
教师和Fidelity公司的野战勤务分部将与受训者一起进行飞行员学校的第一阶段工作，届时将教授基础课程如机翼动力以及如何在跑道上降落。
Instructors with Fidelity's Field Services Division will work with trainees in the first phase of aviator schooling, when they are taught basics such as wing dynamics and how to approach a runway.
选择直飞航线大多数空难发生在起飞、上升、降落或是着陆阶段，所以尽可能选择直飞来减少可能导致多发事故的环节。
Fly on nonstop RoutingsMost accidents occur during the takeoff, climb, descent, and landing phase of flight so flying nonstop would reduce exposure to these most accident prone phases of flight.
RTCA是一个向航空工业提供建议的组织，它建议所有的飞机都应该禁止在飞行的关键阶段，尤其是起飞和降落的时候，使用这些电子设备。
RTCA, an organization which advises the aviation industry, has recommended that all airlines ban such devices from being used during "critical" stages of flight, particularly take-off and landing.
跳伞的单位可以在移动阶段任何时候降落，落地时必须掷危险地形测试。
Grav Chute Insertion: embarked squads can deep strike over any point the Valkyrie moves over in its Movement phase, taking dangerous terrain tests as they land.
鞋跟真正意义上的降落是到了女人40岁晚期、开始步入50岁的时间，这一阶段女人的鞋跟高度平均降落至4.5厘米；
The first real dip in heel height only occurs in a woman's late 40s and early 50s, when the average height drops to 4.5 cms.
分析了封包绳提前断裂状态下降落伞系统的运动特性，建立伞舱组合体在拉直阶段的动力学模型，计算了主伞的运动轨迹，分析了拉出的主伞与伞舱口的碰撞情况。
Under the conditions of early rupture of the reefing lines, motion characteristics of parachute system were analyzed, and mathematic model of parachute-capsule system in the deployment was built.
在1500米高空，其他花样跳伞运动员打开了降落伞，留下艾肯斯一人完成最后的阶段。
At 1,500 meters, the other skydivers opened their parachutes, leaving Aikins to complete the final stage alone.
最主要的原因是他们在自由下降阶段或者降落伞打开后，撞到了山上。
Hitting the mountain while free-falling or after the parachute deploys is a common cause.
就在七月份，巴基斯坦的海拔大概降落了10英尺，这表明承载印度的板块正在倾斜，但这并不意味着10个阶段里第7阶段大事件的预测正在印尼上演。
Just as in July, when Pakistan sank approximately 10 feet in elevation, indicating the plate holding India was tilting, this does NOT mean the big 7 of 10 prediction is occurring in Indonesia.
在降落伞轴向和径向动量方程的基础上进行一些合理的简化，并结合其他经验公式基本描述了降落伞整个充气阶段的运动过程。
The parachute axis of symmetry equation and radial equation were rationally simplified. Integrated with other experienced formulas, the movement process of parachute inflation was described.
在降落伞轴向和径向动量方程的基础上进行一些合理的简化，并结合其他经验公式基本描述了降落伞整个充气阶段的运动过程。
The parachute axis of symmetry equation and radial equation were rationally simplified. Integrated with other experienced formulas, the movement process of parachute inflation was described.
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