operand bit的用法和樣例：
例句
- Operand will be adjusted to the number of digits indicated by the digits parameter.
操作數的小數位數調整為位數參數指示的位數。 - If the value is negative, then the way that the "sign bit" is handled in a number of the bitwise operations is machine-dependent.
如果操作數為負數，則位操作符如何處理其操作數的符號位依賴於機器。
