#考研##考研英语#
英语长难句
The aerospace industry is the complex of manufacturing concerns engaged in the production of flight vehicles, including unpowered gliders and sailplanes, lighter than air-craft, ground-effect machines, heavier than air craft of both fixed-wing and rotary-wing varieties, military missiles, space launch vehicles, and manned or unmanned spacecraft propulsion systems and other thrusting devices on board equipment essential to the design purpose of the flight vehicle and ground-based support equipment needed for the operation and
maintenance of the flight vehicle.
航天工业是一个综合制造行业，从事各种飞行器的生产，包括：各种无动力滑翔机，轻
于空气的飞行器，地面效应机械设备，重于空气的各种固定和旋转机翼飞行器，军用导弹，太空发射器，载人或无人飞行器，推进系统或其他助推设备，对飞行器的设计至关重要的舱内设备，控制和维护飞行器的地面设备。