fixed points的用法和樣例：
例句
- A digit, usually zero, produced during the normalizing of a floating-point number, and inserted during a left shift operation into the fixed point part.
在浮點數的規格化過程中產生的，在左移位操作中插入定點部分的數字，該數字通常為零。 - A plane curve formed by the locus of points equidistant from a fixed line and a fixed point not on the line.
拋物線到一固定直線和不在直線上某一固定點等距的點的軌跡所形成的平面曲線
