An electronic or a mechanical device for the performance of mathematical computations. 計算器一種電子裝置或機械裝置，用于完成數學計算
A device for igniting the charge of a firearm. 槍機一種用來點燃火器中火藥的裝置
A device for recording, measuring, or controlling, especially such a device functioning as part of a control system. 儀表，儀器用于記錄、測量或拉制的裝置，特別是作為控制系統部分的此類裝置
They use television advertising as a device for stimulating demand. 他們利用電視廣告作為刺激需求的方法。
