·2,447,543篇论文数据，部分数据来源于NoteExpress
The former should make the function of application integrated and the usage is easy, the latter required a data-base with powerful consistency and integrality, and nice security.
对于前者要求建立起数据一致性和完整性强、数据安全性好的库。 而对于后者则要求应用程序功能完备，易使用等特点。
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