A document may be signed by handwriting, by facsimile signature, by perforated signature, by stamp, by symbol, or by any other mechanical or electronic method of authentication.是什么意思_A document may be signed by handwriting, by facsimile signature, by perforated signature, by stamp, by symbol, or by any other mechanical or electronic method of authentication.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句