协同CAD系统中的操作意愿保证是一个复杂而又关键的问题，其研究具有挑战性。
The operational intention pledge of collaborative CAD system is a complicated and crucial issue, its study possesses a challenging character.
多版本技术通过对象复制来解决实时协同设计系统中的冲突操作的意愿保证问题。
Intention guarantee problem of conflict operation in the system of real-time collaborative design is solved by means of object duplication in multi-edition technique.
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