形容詞 operational:

1. pertaining to a process or series of actions for achieving a result
2. fit or ready for use or service
   同義詞：functional, usable, useable, in working order, operable
3. of or intended for or involved in military operations
4. being in effect or operation
   同義詞：in operation, operating

1. In computer security, the independent review and examination of system records and activities in order to test for adequacy of system controls, to ensure compliance with established policy and operational procedures, and to recommend any indicated changes in controls, policy or procedures.
   在計算機(jī)安全中，為測試計算機(jī)控制的正確性，為確保按照既定政策和操作步驟執(zhí)行，為提供在控制政策和步驟中的任何指定的變化而對系統(tǒng)的記錄和活動進(jìn)行的獨(dú)立的審核和檢查。
2. Is the machine operational yet?
   這臺機(jī)器可投入運(yùn)轉(zhuǎn)了嗎？

op.er.a.tion.al

adj.（形容詞）
Of or relating to an operation or a series of operations.
操作的：操作的，與操作或一系列操作有關(guān)的
Of, intended for, or involved in military operations.
軍事行動的，計劃軍事行動的，涉及到軍事行動的
Fit for proper functioning; ready for use:
勝任的，可用的：
例句：
an operational aircraft.
可用的飛機(jī)

Being in effect or operation:
實行的或有效的：
例句：
.de facto apartheid still operational even in the ‘new’ African nations.(Leslie Marmon Silko)
.即使在‘新的’非洲國家里，種族隔離仍然存在.(萊斯利·馬蒙·希爾考)

【引伸】
op.era.tionally
adv.（副詞）