查询词典 rough-hewn

Within the area of rough locatiom X-corners detection operator and the energy＂ center of the area to obtain the accurate location are utilized.

在粗定位窗口内，通过角点检测算子与区域能量中心共同实现了角点精确定位。

This machine is used for glazing on the surface of rough tile, wall tiles, outside-wall tiles (body glaze, engobe and shining glaze).

该机适用于仿古砖、地砖、外墙砖砖坯表面施釉。

The road is a bit rough, on the way you will cross over Gyatsola Pass at 5,220 m, which is the highest enroute.

大约需开行5220米，路有些颠簸并且是海拔最高的一条路

How big is the boost from an equatorial launch? To make a rough estimate, we can

从赤道发射卫星到底能获得多大的推力呢？

Classic rough set theory based on equivalence relation takes complete system as object of study , and divides the region into some non-intersect equivalence class; But, in the real life, because of the errors in data measuring, understanding of data, or the restriction in data collection , it can make the decision-making system incomplete, that is, value of attribution of some objects is unknown, which restrains development of the theory to practical direction.

经典粗糙集理论以完备系统为研究对象，以等价关系为基础，通过等价关系将论域划分为互不相交的等价类；然而，在现实生活中，由于数据测量的误差，对数据理解或获取的限制等原因，使得在知识获取时往往面临的是不完备系统，即可能存在部分对象的一些属性值未知的情况，这就极大地限制了粗糙集理论向实用化方向发展。

In the first place, on the base of studies concept ascending and attribute dependency, we forward a method to select attribute value partition, which can effectively resolve the problem of minimum faith and minimum support, in order to induct potential knowledge from standard discrete symbolic data, the dissertation studies join operation for generating candidate set and delete operation for deleting redundant equivalence class, and propose an recursion algorithm to realize highly generalization of data.

首先在研究概念爬升方法和Rough集理论中属性隶属度原理的基础上提出了一个划分属性值区间的算法，该算法能够有效的解决最小支持度问题和最小信任度问题。进而为了从已离散化的数据中概括出潜在的规则，研究了生成侯选集的交运算方法和排除冗余等价类的删除方法，然后利用循环推进机制实现对数据的概括。

To solve this problem,the equivalence relation of rough set theory is replaced by an asymmetrical similar relation,and from this relation,an asymmetrical similar matrix is defined,then a new heuristic algorithm with less space complexity that require core and knowledge reduction based on asymmetrical similar matrix is proposed,and an example is given to confirm the validity of the algorithm.

用非对称相似关系代替粗糙集理论中的等价关系，定义了非对称相似差别矩阵，提出了基于非对称相似差别矩阵的高效求核和知识约简算法。该算法无需改变初始不完备信息系统的结构，能直接处理缺省数据。实验结果表明，新算法所获得的决策规则简洁、高效，与缺省值无关。

The classic rough set theory is based on equivalence relation, but it is not able to handle the incomplete information system.

经典粗集理论以等价关系为基础，它们在处理不完备信息系统的时候存在一定的局限性。

This equivalence relation, however, seems to be a very stringent condition that may limit the application domain of the rough set model.

此外，等价关系是经典粗糙集理论中最为关键和重要的概念，然而等价关系看起来是一个过强的条件，可能会限制了粗糙集模型的应用领域。

Based on the method of similarity measure, it proves that the equivalence relation of rough set can be transformed into fuzzy equivalence matrix comp.

在这种相似性度量方法基础上，证明了粗集的等价关系可以被转化为模糊等价矩阵。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。