When Old Chuan still hesitated, the man in black snatched his lantern and tore off its paper shade to wrap up the roll.
老栓还踌躇着；黑的人便抢过灯笼，一把扯下纸罩，裹了馒头，塞与老栓；一手抓过洋钱，捏一捏，转身去了。
This paper introduces design, optimization and implementation with FPGA of square-root raised cosine roll-off digital filter.
介绍了平方根升余弦滚降数字滤波器的设计和优化方法，并提出了用FPGA实现其硬件电路的方案。
In this paper, the principles of ground-roll for removing the peeling off in order to increase the service life of the rolls are described.
本文简要介绍了国外用于延长轧辊使用寿命，消除剥落的几种磨辊原则。
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