投放试验 meaning in English

drop test

The planning and implementation of projects for the conservation of fisheries resources , including the artificial reefs programme , fish fry restocking trial and education work
策划及执行渔业资源的存护计划，包括人工鱼礁计划、鱼苗投放试验及教育推广工作。
Aim at “ the test of missile cast in proving ground ” , development and integration of measure system for the measurement of the trajectory of missile was finished . the ballistic trajectory could be calculated exactly by analyzing the image sequence
本文主要针对“子弹外场投放试验” ,自主研制并完成了硬件测量系统硬件和软件的集成,并通过对序列图像的处理,精确计算试验中子弹的弹道。