企业要求认证框架易于维护和更新。
Businesses require that an authentication framework be easily maintained and updated.
以国际互联网的文献资料为主要信息源，建立了一个易于维护和更新的大规模的专业化生物学文献数据库。
A specialized biological information database which is easily maintained and renovated is established by using Internet as the main information source to collect the latest information.
这样易于以后的维护和更新。
与很快会变得过时且难以进行更新的比较正式的项目计划不同，电子表格非常易于使用和维护。
A spreadsheet is very easy to use and maintain, unlike the more formal project plan which quickly goes stale and is never easily updated.
记住：若使用的是PHPV 5或更新的版本，就可以融入面向对象的概念以使代码更易于读懂和维护。
Remember: If you're using PHP V5 or later, you can incorporate object-oriented concepts to make your code easier to read and maintain.
其优点是占用系统资源少、信息量大、站点维护方便，便于扩充和更新，易于继承和保护历史数据；
The advantage of the system is occupying less system resources, informative, site maintenance convenience, easy to expand and update, easy to inherit and protect the historical data;
其优点是占用系统资源少、信息量大、站点维护方便，便于扩充和更新，易于继承和保护历史数据；
The advantage of the system is occupying less system resources, informative, site maintenance convenience, easy to expand and update, easy to inherit and protect the historical data;
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