In this paper, the concepts of network planning techniques is introduced at the beginning. The characteristics of dual code and single code network drawing is expounded.
本文介绍了网络计划技术的概念，阐述了双代号网络计划图和单代号网络计划图的特点。
This paper introduced a three-factor authentication mode of network payment which added an authentication code factor on the basis of the traditional dual-factor authentication.
在目前流行的双因素认证的网络支付安全认证模式的基础上，引入动态验证码认证，提出了一种基于三因素认证的网络支付安全认证模式。
The 'time scale network' was worked out by building the dual-code network plan into the time coordinate, which can make the network graph more readable.
将双代号网络计划放在时间坐标里，编制成“时标网络”，使网络图的识读变得容易。
The 'time scale network' was worked out by building the dual-code network plan into the time coordinate, which can make the network graph more readable.
将双代号网络计划放在时间坐标里，编制成“时标网络”，使网络图的识读变得容易。
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