F-memory characteristics of S-rough sets, F-memory theorem of S-rough sets and the knowledge loss principle of F-memory chain are presented.

利用这些概念，提出S粗集的f记忆特性，S -粗集的F -记忆定理，F -记忆链上知识丢失原理。

youdao

This paper gives the concept of-memory of S-rough sets and its-memory structure, puts forward-memory chain theorem, -memory loop theorem and the knowledge complementary principle of F-memory chain.

本文给出S-粗集的-F-记忆概念，S-粗集的-F-记忆结构，提出-F-记忆链定理，-F-记忆环定理和-F-记忆链上知识补充原理。

youdao

But the sense of triumph must come from the memory of the chain.

但胜利意义之产生，必须来自锁链的回忆。

youdao

The crowds marched in mourning and remembrance, in a seemingly endless human chain moving slowly up the hill towards the monument to Armenia's most painful memory.

BBC: NEWS | Europe | Armenians remember mass killings