primary algebra 中文意思是什麼
primary algebra
解釋
準質[準素]代數。-
The teaching content of the experiment is unit one " permutations and combinations " of chapter nine in book two from algebra and primary geometry for intermediate normal schools. the experiment was conducted in two classes with their mathematics at the same level through adopting two different teaching models separately. after the teaching, the two classes took the same test
該實驗以中等師范學校《代數與初等幾何》第二冊第九章第一單元「排列與組合」為內容，通過在兩個數學成績相當的班級分別採取兩種模式進行教學，在完成實驗教學內容后進行統一測試，得出「三 -
The primary contributions of this thesis include : having studied the rough set theory carefully, the thesis finds the relationship between rough set and such abstract theories as modal logic, fuzzy set, algebra system and interval - set algebra, i. e., rough set provides a well defined semantical interpretation to these abstract theories, which enables us to better understand them. secondly, rough set builds an inter - relationship among these dependent theories and connects them together
完成的工作和取得的創新性成果在於：經過對粗糙集理論的深入研究，作者找到了粗糙集與模態邏輯、模糊集、代數系統和區間集代數等抽象理論之間的關系，一是粗糙集可以為抽象理論提供語義解釋，從而使我們能更好地理解掌握這些抽象理論；二是粗糙集建立了各個獨立的抽象理論之間的內在關系，使彼此獨立的抽象理論聯系在了一起。 -
Based on functional dependence of relation algebra, the paper available expresses the coordination relation between primary and backup prection and it is fds which can generate directed basic loops and form optimal coordination sequences of protection setting, and accordingly achieve the optimal coordination of prections in the whole network.
本文充分運用關系代數中函數依賴的概念，有效地表達主后備保護配合關系? ?保護函數依賴集（ fds ，即functionaldependencyset ，並用其自動生成網路有向基本迴路，形成保護整定最優配合順序，從而達到全網的保護最優配合。
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