在继续将这些技术重新分布到多台计算机之前，这里将介绍一个直接运行远程交互会话的技巧，而无需首先进行登录。

Before moving on to redistributing these techniques to multiple machines, there's a quick trick for running remote interactive sessions directly without having to log in first.

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最好的是，cron任务现在可以使用OpenSSH命令来安全地访问远程计算机，而不需要交互地使用密码短语。

Best of all, cron tasks are now able to use OpenSSH commands to securely access remote machines without requiring the interactive use of passphrases.

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计算机3d人脸对象的应用范围十分广泛，包括虚拟现实、辅助教学、远程会议、人机交互、游戏娱乐、电影制作等诸多方面。

Computer based 3d face model has been widely used in many fields, such as virtual reality, computer aided instruction, teleconference, HCI, computer game, movie making, etc.

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