Thanksgiving today, quickly pick up your cell phone, edit your greetings it, in order to give you a reference, I will first send you one, I wish you a happy Thanksgiving, ah.
感恩节的今天，快点拿起你的手机，编辑你的祝福语吧，为了让你有个参考，我先向你发送一条，祝你感恩节快乐啊。
This paper puts forward a new MRACS method using low order model, i. e. the fourth order hydraulic servo system following the first order reference model.
本文把液压伺服系统作四阶系统，跟随一阶参考模型，提出了一种新的高阶对象和低阶模型的MRACS 的方法。
First, a reference point of the total formation system is estimated using the first order consensus algorithm according to the initial state of each satellite.
首先根据编队各星的初始相对状态，应用一阶一致性算法，协商估计出编队整体系统基准参考点的相对状态；
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