二元的

Concept lattice, induced from a binary relation between objects and features , is a very useful formal tool and is fit for discovering the potential concept below the data.

Wille等根据二元关系提出的一种概念层次结构l卜5，，它本质上描述了对象和属性之间的联系，表明了概念间的泛化与例化关系，同时体现了概念内涵和外延的统一。

The fuzzy entropy based on equivalent relation is extended to generalize the fuzzy entropy based on general binary relation, and the calculating formula and the equivalent expression of the generalized fuzzy entropy are also given.

并将基于等价关系的粗糙集的模糊熵拓展到基于一般二元关系下粗糙集的广义模糊熵，给出了广义模糊熵的计算公式及等效表示形式。

The article begins with data model, with the theories of binary relation, function dependence and Fan's, establish the measures of query and the safety of database, which provides theories for developping DFDS in de...

论文根据钻探泥浆数据库系统的开发要求从研究数据模型入手，利用二元关系、函数依赖及范式理论对数据模型进行较为详细的分析，建立了数据库的查询优化措施和安全方法，为钻探泥浆数据库的具体设计提供了理论依据。

This thesis is about the establishment of semantic Web based on the binary relation ,advances the formal definition of the semanteme in the semantic Web,based on it,advances the way semanteme is described and derived and discusses the semantic completeness.

基于二元关系讨论了语义Web的建立过程，具体给出语义Web中相关语义的形式化定义，并基于此给出了语义描述和挖掘方法，进行了集合相关语义的完备性的证明。

Village was due to China's urban-rural binary system of isolation and it was an inevitable result in the management system.

而"城中村"的形成是由于中国长期的城乡隔离制度所导致的二元管理体制的必然结果。

Formation and evolution of binary structure in our country are closely linked with China's financial system.

我国的城乡二元结构的形成和演变与我国的财政体制有着密切的联系。

Using the formula about the magnetic flux density induced by coil which deduced by Biot-Savart law,this paper deduces the formula about random point's magnetic flux density of hollow column solenoid and deduces the formulas about axial specific magnetic force and radial specific magnetic force by using the field gradient expression of binary function and the expression of specific magnetic force .

利用二元函数的梯度公式及比磁力公式可以得到磁性颗粒在厚壁圆环线圈所产生的磁场任意点的比磁力的轴向分量和径向分量。

Agricultural production must be changed from traditional crop concept to modern food concept; planting structure must be changed from traditional crops and economic plants to crops, economic plants and feedstuff; traditional process of agricultural production needs deeper development, extending the industry chain, improving the transformation efficiency of resource; agricultural development must be changed from plowland depending to the exploring of all the land resource.

其中农业生产要由传统的粮食观念向现代食物观念转变；种植业结构要由传统的粮、经二元结构向建立粮、经、饲三元结构转变；传统农产品加工业要向纵深发展，延长产业链，提高资源的转化效率；农业发展要由单纯依靠耕地向整个土地资源的开发利用转变。

The topics covered include the basic concepts of information theory--entropy, mutual information, channel capacity, information rate, Shannon's noiseless coding theorem and Shannon's fundamental coding theorem; modeling of information sources--zero-memory and Markov models; modeling of information channels--BSC and BEC channels, additivity of information and cascaded channels; construction of compact source codes--Kraft inequality, compact codes, Huffman and LZW compression codes; and analysis and design of error-control channel codes--Hamming distance, binary linear codes and the parity-check matrix, Hamming codes, checksum codes, cyclic codes and the generator polynomial and CRC codes.

课程的内容包括：信息论的基本概念（熵、交互信息、信道容量、信息率、 Shannon无噪声编码定理和Shannon基本编码定理）、信源模型（无记忆模型和Markov模型）、信息信道模型（BSC 和 BEC模型、信息的可加性和级联信道），紧致信源编码设计（Kraft不等式，紧致编码，Huffman 和LZW压缩编码）以及差错控制信道码的设计与分析（海明距离，二元线性码，奇偶校验矩阵，海明码，校验和，循环码，生成多项式和CRC码）。

By means of scientifically determining the membership function of each factor and establishing the weight of each factor by constructing the judging matrix through binary taxis, the optimal one was selected from nine schemes made up of different combination of room structural parameters, which could ensure not only safety production but also better economic profit.

通过合理确定评价指标的隶属度函数和利用二元排序法构造判断矩阵确定各评价指标的权重，对9种方案进行了综合评判，确定了最优方案，选出了合理的矿房结构参数，既可保证矿山的安全生产，又可保证矿山经济效益。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。