Facsimile signatures, perforated signatures, stamps, symbols (such as chops) or any electronic or mechanical means of authentication are sufficient.
使用摹样签字、打孔签字、印章、符号(例如戳记)或任何用以证实身份的任何电子或机械方法均可。
A representation of complicated electrical and electronic circuits by simple symbols called logic symbols.
用简单的逻辑符号来代表复杂的电气电路和电子电路。
A representation of complicated electrical and electronic circuits by simple symbols called logic symbols.
用简单的逻辑符号来代表复杂的电气电路和电子电路。
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