ring of sets 中文意思是什麼

ring of sets 解釋
集（合）環
  • ring : n 1 圈，環，輪；戒指，指環，耳環，鼻圈，鐲子（等）；【運】吊環。2 輪狀物；【植物；植物學】年輪；...
  • of : OF ＝Old French 古法語。
  • sets : 集合
  1. Moreover, rough sets in a ring is studied and the concepts of rough subrings, rough ideals are been first introduced. under the condition of the congruence relation determined by a given ideal in a ring, rough sets of a subring is proved to be its subring, while that of a ideal is also proved to be its ideal

    進一步，研究了環中的粗糙集，引入了粗子環和粗理想的概念，證明了在環中一固定的理想所決定的同余關系下，子環的粗糙集是子環，左（右，雙）理想的粗糙集是左（右，雙）理想。
  2. Beijing yazhi prefab co., ltd. is built by shenzhen yazhi integrate house co., ltd. and fuzhou tongjian steel construct project co., ltd. provides make, sell, lease, fix, safeguard, and serve as an organic whole specializing in integrate house. company s registered capital is 10 million yuan, have administrative staff, technical staff, more than 70 sales forces, producing and fixing to more than 100 skilled workers, the company bases on beijing, sets up the office separately in tianjin, hebei, shandong and other places, thus covered the whole area of beijing, tianjin, has formed the market of ring bohai gulf

    北京雅緻活動房有限公司是雅緻集成房屋股份有限公司和福州通建鋼構工程有限公司共同出資興建的集活動板房製造銷售租賃安裝維護和服務為一體的專業生產組合房屋的企業。公司注冊資金1000萬元，擁有管理人員技術人員銷售人員70餘人，生產及安裝技術工人100餘人，公司立足北京在天津河北山東等地分設辦事處，從而覆蓋了整個京津唐地區，形成了環渤海灣的市場戰略格局。
  3. It constitutes a presheaf of ring on the basis of open sets. (xf)fa.

    這構成了開集基（Xf）fA上的環的予層。
  4. Fonally, in a ring, the corresponding results of a semigroup and a group are generalized. fuzzy rough sets in a ring is studied and the concepts of r fuzzy rough subrings, fuzzy rough ideals are been first introduced. under the condition of the congruence relation determined by a given ideal in a ring, fuzzy rough sets of a fuzzy subring is proved to be its fuzzy subring, while that of a fuzzy ideal is also proved to be its fuzzy ideal

    最後，把半群和群中的相應結果推廣到來了環中，引入了模糊粗糙子環和模糊粗糙理想的概念，得出在環中一固定的理想所決定的同余關系下，模糊子環的模糊粗糙集是模糊子環，模糊左（右，雙）理想的模糊粗糙集是模糊左（右，雙）理想。
  5. Ningbo senyong electronic technology co., ltd specializes in the production of movable - ring telephone receivers, automatic swithing devices for vehicle - mounted mobile phone, multi - purpose tripod caution lamp, information telephone sets and business telephone sets

    寧波森永電子科技有限公司專業生產各種規格、型號的動圈式受話器；車載手機轉接器；多功能三角警示燈；來電顯示電話機、信息電話機、商務電話機。
  6. It presents three types of friction between parts of the engine ( complete fluid friction, edge friction and half dry friction, dry friction ) and renault equation, and sets forth the friction and the lubrication of cam - driven parts, crankshaft, piston and piston ring. also it shows the forecast technique of the friction losing in designing engine

    介紹了發動機零部件間的三種摩擦狀態（完全液體摩擦、邊界摩擦和半干摩擦及干摩擦）和雷諾方程，闡述了凸輪?從動件、曲軸、活塞及活塞環的摩擦和潤滑，並給出了發動機設計時摩擦損失的預測方法。
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