介绍了钢管六角包装根数、模具边长、包装钢带长度的理论计算及实际使用尺寸。
This article introduced the Pieces, length pattern, packing strip theoretic length calculation and trim size of the steel pipe hexagon packing.
为了实现船载天线与同步通讯卫星的通讯，根据坐标变换原理和实际使用要求，提出了数引闭环、电平开环的跟踪方法。
In order to achieve the communication between the ship board antenna and the synchronous communication satellite, a method by the digital guiding closed loop and level open loop tracker is presented.
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