in system design and R&D 开展系统设计与研发
This system used E-R chart method to design in order to minimum data redundancy and optimize data consistency and reduce updating abnormity.
本系统采用E - R图法进行规范化设计使得数据冗余最小，数据一致性好，更新异常问题不易发生。
The tradeoff between standardization and flexibility in system design for pavement maintenance and rehabilitation (M&R) management at network level is discussed.
探讨了网级路面养护维修管理系统设计过程中的标准化和灵活性问题。
The serial isolation system consisting of laminated rubber bearing and R/C column has been applied in practical building, but without the corresponding codes for calculation and design yet.
将叠层橡胶支座和R／C柱的串联机构作为隔震系统的做法在实际工程中已有应用，但至今尚无规范化的设计计算方法。
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