Each entry in a symbol table has an associated mutable data slot. 符號表中的每一項都有一個相關聯的可變數據插槽。
It is particularly suited for those with short runs, or requiring versioning or variable data. 它特別適合那些短期運行，或要求版本或可變數據。
And the individual time functions. 和各個時間函數。
The most significant difference between the human pulse signals collected from heroin druggers and healthy persons is at their amplitude waveforms as time functions. 海洛因吸毒者與正常人脈象信號最顯著的區別在於作為時間函數的幅度波形。
