大多数小型无人机都无需跑道助飞，在前线一般利用小型计算机控制其飞行。返航后可以用网、降落伞加以回收。
Most small drones are launched without airstrips and are controlled in the field using a small computer.
介绍了设置集油坑排污管及库区沟网排水回收油脂系统的原理、方法、效果。
Introduced to plan an oil sump and sewer in the tanks and to design a sewerage system and recovery system of oils in the bulking area.
采用该系统的优点是不需要修改无人机的自身结构，不受场地的限制就可以平稳、安全、准确地撞网回收。
The net recovery system we designed is shown schematically in Fig. 1. After detection with ground automatic TV tracking$…
采用该系统的优点是不需要修改无人机的自身结构，不受场地的限制就可以平稳、安全、准确地撞网回收。
The net recovery system we designed is shown schematically in Fig. 1. After detection with ground automatic TV tracking$…
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