servo system controlservo type operational elementservo-type operational element伺服式: servo-type运算: operation; arithmetic; opera ...部件: component; unit; parts; asse ...运算部件: alu; arithmetic facility; arithmetic logic unit; arithmetic section; arithmetic unit; arithmetic-logic unit; computation unit; operational unit多生运算部件: multiple logical unit下载手机词典可随时随地查词查翻译