Fast Arithmetic的用法和樣例：
例句
- To reduce computation burden, a fast mode decision algorithem based on the statistics of the macroblock is proposed.
針對降低編碼複雜度的問題，提出了一種基於統計特性的幀間模式選擇快速演算法。 - Three speediness arithmetic expressions for calculating the focused quantity is introduced to optimize the real-time performance of the system.
導出了計算聚焦量的三個快速演算法公式，優化了系統的實時性能。
