短語詞組短語sign a convention 簽訂公約sign a convention detail 簽訂公約a sign convention 公約的簽署;公約的標志;標志大會Passive sign convention 關聯(lián)參考方向electrode potential sign convention 電極電勢符號慣例Sign convention for torque 扭矩符號的規(guī)定algebraic sign convention 代數(shù)符號約定;翻譯default sign convention 符號約定缺省規(guī)則Sign convention for bending moment 彎矩符號 返回 sign convention