现代航空发动机不断追求提高推重比，优化其零部件的结构设计日益重要。
Owing to the increasing demand for raising the thrust weight ratio of modern aero engine, it is very important to optimize the structures of the components.
根据月球研究和行星际飞行任务的需要，为了提高火箭的推重比，要为运载火箭新安装一个第三子级。
Missions for study of the Moon and interplanetary flight required re-equipping the launch vehicle with a third stage to increase its power-mass characteristics.
未来飞机推进系统要求压气机的压比和效率均大大高于目前的使用水平，以提高发动机推重比，减小燃油消耗。
For improve thrust loading and decrease fuel consume of the engine, propulsive system of the future demand the compressor in possession of higher pressure ratio and more efficiency.
结果表明，对特定的始末端状态，过失速机动能力能够缩短机动时间，但是进入过失速的深度与飞机推重比有关。
It shows that the capability of post-stall-maneuver results in reduction of the maneuvering time, but the depth with which the trajectory falls in...
发动机：两台F404-GE-402复燃发动机，单台推力达到18000磅，足以让战斗中的整机推重比超过1。根据不同的任务和载荷，战斗半径一律超过500海里。
Power Plant: Two F404-GE-402 afterburning engines, each in the 18,000 pound thrust class, which results in a combat thrust-to-weight ratio greater than 1-to-1.
发动机：两台F404-GE-402复燃发动机，单台推力达到18000磅，足以让战斗中的整机推重比超过1。根据不同的任务和载荷，战斗半径一律超过500海里。
Power Plant: Two F404-GE-402 afterburning engines, each in the 18,000 pound thrust class, which results in a combat thrust-to-weight ratio greater than 1-to-1.
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