正号是什么意思_正号用英语怎么说_正号的翻译_正号翻译成_正号的中文意思_正号怎么读,正号的读音,正号的用法,正号的例句

He seems to have mistaken a minus for a plus.

他似乎把负号误作正号了.

《简明英汉词典》

She carefully noted whether her math problems had pluses or minuses before she began her work.

她开始做题前,很细心地看题目数字前是正号还是负号.

辞典例句

He seems to have mistaken a plus for a minus.

他似乎把正号误作负号了.

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The outstanding advantage of 2 K H plus mechanism is its possibility of obtaining high transmitting ratio.

H正号机构突出的优点是获得大传动比.

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Unary plus returns the operand itself . It makes no change to its operand.

一元正号操作符则返回操作数本身,对操作数不作任何修改.

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