In the paper, we stress hardware principium of the system.
在本文中，我们重点讲述了系统的硬件原理。
Familiar with mechanical design principium, good mechanical drawing making ability.
熟悉机械设计原理，具有较强的机械制图能力。
Proved through principium experiment, this measure method is effective and feasible.
经过初步试验，证明了该方法是切实可行的。
Proved through principium experiment, this measure method is effective and feasible.
经过初步试验，证明了该方法是切实可行的。
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