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。
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