The FL-19 has six single-shot missile tubes with an integral electro-optical (EO) target detection and tracking unit, all mounted on the rear section of an armoured light truck.
FL-19有六根导弹发射管、一套集成的光电目标探测与追踪单元，都装在轻型装甲卡车的后部。
2
In case of such applications, the optical fibre cable should be laid in protective tubes and not be frequently moved.
在这些申请的情况下，光纤电缆应规定保护管，不要频繁移动。
3
By using laser scanning and CCD sensor, a new optical technique can be applied in the production line for real-time measuring the diameter and thickness of glass tubes.