謝謝,我還沒明白C和P的公式代表什麽呢,還沒有找到對等的意思,
比如C5'2等於什麽呢?還沒入門,所以著急.
謝謝,我還沒明白C和P的公式代表什麽呢,還沒有找到對等的意思,
比如C5'2等於什麽呢?還沒入門,所以著急.
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