在开环供应链中回收主体有生产者责任组织(PRO)、第三方生产商。
In the opened-loop supply chain, there are new participants: producer responsibility organization (pro) and the third manufacturers.
这种模型包含授权、证书和条件组成成分，能解决作为访问结果而对主体客体属性进行更新的问题，以及在访问过程中对访问权限延续和即时回收的问题。
The UCON can not only solve the updates of subject and object attributes as a consequence of access, but also solve the continuity or immediate revocation of rights during the access.
认为以贵金属为主体的三效催化剂继续占有优势，贵金属的回收循环使用将变得越来越重要。
It is considered that three - way catalyst using precious metals as main component will still act as the main role. However, the re...
认为以贵金属为主体的三效催化剂继续占有优势，贵金属的回收循环使用将变得越来越重要。
It is considered that three - way catalyst using precious metals as main component will still act as the main role. However, the re...
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