... 使用者工作区 user workspace 用户书写例程，用户写入例程，用户撰写器 user writer 用户编写的程序 user written program ...
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user-written program 用户编制程序
Because the passwd program cannot be written to by the user, and is very constrained in what it allows the user to do, this setup is usually safe.
因为用户不能编写passwd程序，而且它对允许用户执行的操作有严格限制，所以这个设置常常是安全的。
FOCAL was originally written for the PDP-8 by Richard Merrill and could run in a system with only 3000 words of memory (12 bits), with 1000 words for the user program.
FOCAL最初是Richard Merrill为PD P - 8编写的且运行在只有3000字内存(12位)和1000字用于用户程序的系统中。
The performance of the federated system is comparable to the performance of some existing user-written application program that implements the same distributed query
联邦系统的性能是否与一些已有的用户编写的实现相同分布式查询的应用程序的性能相当。
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