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- Based on the inclusion relation of upper approximations and lower approximations of rough set,a new definition of upper approximations and lower approximations can be obtained. 根据粗糙集上下近似的包含关系,得到概念的一种新的上下近似的运算的定义。
- The key of the rough set theory is deal with the approximation of an arbitrarysubset of a universe by two subsets called lower and upper approximations. 粗糙集理论的关键是建立两个被称为下、上近似的子集来近似表示论域上的任意集合.
- weighted lower and upper approximations 加权上下近似
- Tears are secreted by an organ under the upper eyelid. 眼泪由上眼睑下面的器官分泌。
- The relationship between fuzzy probability defined by lower approximation and upper approximation of random fuzzy sets and fuzzy belief measures, fuzzy plausibility measures is discussed. 讨论随机模糊下近似、上近似集的模糊概率与模糊信任测度、模糊似然测度之间的关系。
- According to the two practical situations of information communication, this paper proposes the concepts of lower and upper approximation information rough communication using rough sets. 摘要针对实际中两种信息传递情况，提出了两种信息粗传递概念一下近似和上近似信息粗传递。
- I'd like a room on the upper level. 我想要楼上的房间。
- My hometown is in the upper reaches of the river. 我的家乡在这条河的上游地区。
- He locked his diary in the upper drawer. 他把日记锁在上层抽屉里。
- He have tattoo the name "marlene" on his upper arm. 他将＂玛琳＂这个名字刺在臂的上方。
- A band or badge worn around the upper arm. 臂章戴在上臂的绑带或徽章
- A canine tooth of the upper jaw. 上颚犬齿上颚的一个犬齿
- He's between the upper and nether millstone. 他深受上下夹攻。
- This part of town is where the upper class live. 镇上这个地区是上层阶级的人住的。
- He had an infection in the upper respiratory tract. 他上呼吸道感染。
- The Senate is the upper chamber of Congress. 参议院是议会的上院。
- There were beads of perspiration on his upper lip. 他的上唇上有汗珠。
- Lower and Upper Approximates of Linear Space 线性空间中的下近似与上近似
- one sided upper approximate limit 单侧偏大近似极限
- The lower part of the pipe is separable from the upper part. 管子的下部可与上部分开。
