Typical crosscutting concerns include logging, context-sensitive error handling, performance optimization, and design patterns.
典型横切关系包括日志记录、对上下文敏感的错误处理、性能优化以及设计模式。
The technique might look a bit annoying at first glance, but it clearly minimizes the error rate for users who delete sensitive data by mistake.
乍一看该技术也许看起来有点令人生厌，但是对于错误地删除掉敏感数据的用户来说，这无疑把出错的几率降到最低。
It is showed that the north-finder has simple structure, high precision, and is not sensitive to outer error sources.
分析表明：天文找北系统结构简单，精度高，对外部误差源不敏感。
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