Principle of "level-superposed" of the grade of security is brought forward.
通过拓展城市重大危险源的评价技术,提出安全等级“层级叠加”原理,将单独评价拓展为相关耦合评价。
Further a super stack method is developed.
在此基础上，进一步研究了井间地震反射波偏移成像的超级叠加技术。
Low voltage NMOS bulk-biased folded-cascode Gilbert mixer;
低压NMOS衬底偏置折叠级联输入Gilbert混频器