The unstable connection is a key problem for the mobile database design and implementation.
连接的不稳定性是移动数据库设计和实现中的一个关键问题。
The background is mainly for the design of the database.
后台主要是数据库的设计；
MEMS material database is a necessary tool for MEMS design.
MEMS材料数据库已经成为MEMS设计领域中必不可少的设计工具。
Therefore, it is especially important to design and establish the data model for spatial database.
因此，设计并创建空间数据库数据模型显得尤为重要。
The design database for brake was built.
构建了制动器设计资料库。
The design database for brake was built.
构建了制动器设计资料库。
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