对安全和威胁的变动概念和看法确实扩大了追求裁军和不扩散目标的新思维的需要。
Indeed, changing concepts and perceptions of security and threat magnify the urgency for new thinking to pursue disarmament and non-proliferation goals.
本文将解释所有这些概念并讨论升级方法的最新变动。
This article explains all of these concepts and discusses recent changes to the upgrade methodology.
提出变动几何约束网络概念，并将此网络应用于计算机辅助公差设计领域。
Concept of variational geometric constraints network (VGCN) is presented, and application of the network to computer aided tolerancing is studied.
应用推荐