Absrtact: CORDIC (Coordinate Rotation Digital Computer) algorithm is the main method to realize the fast and accurate trigonometric function, and is widely used in modern engineering.
摘要：CORDIC算法是实现快速精确的正、余弦函数计算的主要方法，在工程实际中有着广泛应用。
The ratchet type bent pipe wrench with repositioning rotation function is applied for fast tyre assembling and disassembling operation.
本发明令弯管扳手具有复位转动功效，以达到更快速的轮胎锁、卸作业。
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