我练习过操作这些控制装置。
这种装置是用来追踪和拍摄高空特技表演练习的。
The appliance lets to trace and shoot skydivers who perform acrobatic exercises in the air.
逐渐地，计算机也开始满足其他教学领域的需求，从计算机辅助阅读教学、数学练习程序一直到研究协助装置。
Slowly and steadily, though, computers started to fulfill other teaching needs as well, from computer-aided reading instruction to mathematics drill programs to research facilitators.
受过良好训练的战士在模拟装置上进行跳伞练习，完全模仿跳伞过程(尤其是脱离飞机并着陆的过程)。
While the better trained soldiers practise a parachute jump in a simulator which perfectly imitates the jump (especially the moment of leaving the aircraft and landing).
本文介绍了一种由作者研制的手弧焊模拟训练装置，目的在于给手弧焊学习者提供辅助练习。
This paper introduces a manual welding simulant trainer which is developed by the writer in order to provide learners of manual welding an auxiliary training.
士兵几乎不用练习，就能操作这种相对低成本的消费性装置，该装置能够在军事行动区执行实用的应用程序，据新闻周刊报导。
Soldiers need little training with the relatively low-cost consumer device, which can run useful applications in operational areas, according to Newsweek.
士兵几乎不用练习，就能操作这种相对低成本的消费性装置，该装置能够在军事行动区执行实用的应用程序，据新闻周刊报导。
Soldiers need little training with the relatively low-cost consumer device, which can run useful applications in operational areas, according to Newsweek.
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