撞网图案：两块或多块半色调印版因相互的网线角度不配合而造成的不适当图案。
Moire pattern: Undesirable pattern caused by incorrect relative screen Angle of two or more half-tone plates.
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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