英语词汇“change sign”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	change sign
释义	change sign短语⁷⁵⁹¹⁴ 基本例句改变数的符号,变更符号,改变符号 If the orientations of driving elements are reversed then it is necessary to change a sign in their terminal relations.如果驱动元素的定向取反了，就必须在它们的端子关系中改变符号。
随便看	nitro-compound nitro-compound fertilizer nitrocompound fertilizers nitrocompounds nitro compounds nitro compounds, organic nitro-containing carboxylic ester nitrocophanum nitrocotton nitro cotton nitro-cotton nitrocottons nitrocresol nitrocumene nitrocyanamine nitrocycline nitrocyclohexane nitro-cyclohexane nitrocyclohexane process nitrocyclohexanone nitrocyclorubber nitro cyclo rubber nitrocymene nitrocystis Nitrocystis