管理学 电子商务支付技术 释 Digital cash 数字现金 经银行数字签名的表示现金的加密序列数。是以数据形式流通的、能被客户和商家接受的、通过因特网购买商品或者服务时使用的货币。又称电子现金，适合网上小额实时支付。
计算机应用 基于网络的信息服务 释文 electronic currency, e-currency, e-money, cyber-currency 电子货币
- nationnal key park
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- native gel electrophoresis of G-quadruplex