首先,分析了"导讲评研"的教学模式和"微课"的特点,提出了基于"微课"的"导讲评研"的教学模式;其次,将基于"微课"的"导讲评研"教学模式应用于《高等代数》课程教学中,给出了具体实践过程;最后,分析了该教学模式在《高等代数》课程教学中的优点.

A new dominance relation is defined in consistent set-valued information systems based on similarity grade of attribute value sets. The problem of attribute reduction and the judgment in consistent set-valued decision information system are studied, from which a new approach to attribute reductions is provided in consistent set-valued decision information system. The assignment reduction is introduced in inconsistent set-valued decision information system in this paper, and it is shown that the inconsistent system can be turned into a generalized consistent approximation space. Furthermore, the influence of similarity level on attribute reduction is discussed.

The local normal colleges and universities are in the process of transition, and the training target of various professional is also changing. In order to adapt to the needs of the development of transformation and to re-alize the training objectives, this paper discusses the optimization of higher algebra teaching content mainly from the aspect of the principles of integration and optimization of the teaching content of higher algebra.

将区间值模糊集和D[0,1]上的t-模(J)应用于格蕴涵代数的滤子理论,引入格蕴涵代数的区间值,(J)-模糊(关联、正关联)滤子的概念,给出了它们的等价刻画,研究了它们之间的关系.

Darcy-Stokes方程的统一有限元方法是研究Darcy-Stokes耦合问题的基础.尽管该方法采用等阶或低阶有限元逼近在工程计算上有较大的实际应用价值,但这类有限元组合不满足inf-sup条件,因而会造成数值求解的困难.而非协调有限元更容易满足离散的inf-sup条件,因而在计算耦合问题时比协调有限元更具吸引力.本文对Darcy-Stokes方程提出了一种等阶线性非协调稳定化有限元方法,证明了该格式是稳定的,并得到了最优误差估计.

In this paper,the concept of v-filters on BL-algebras has been introduced by linking the vague set and filter theory of BL-algebra;The properties and equivalent characterizations of v-filters have been investigated,and the relations between vague filters and filters have been studied.

作者将Corra针对耦合的Darcy-Stokes方程而建立的一致协调的混合有限元格式推广运用到非协调CR有限元逼近,从而建立了一种稳定化非协调的离散格式,并证明了离散问题解的存在唯一性,给出了误差估计.

随着我国改革开放的发展,私营经济成为我国多种所有制经济的重要组成部分,私营企业主阶层也随之而产生。在政治参与过程中,随着"私营企业主是中国特色社会主义事业的建设者"及"扩大他们有序的政治参与"的进一步提出,私营企业主政治参与热情得到了进一步的提高,并形成了相应的政治参与模式;但现行私营企业主的政治参与与有序政治参与还存在一定的差距,所以,本文试图探究私营企业主在现行政治参与模式下有序政治参与。

随着社会经济发展、利益的分化,在农民阶层中又出现了一个年轻的新群体,即称之为"新生代"农民工。这个特殊群体与"第一代"农民工相比较在政治参与方面有其自身的特点;在政治关系中,他们有自身的利益需求和利益诉求,但现实的社会客观条件与这种"需要"、"诉求"之间存在着一定的差距,形成了政治参与的障碍;如何解决这些矛盾、完善政治参与制度,找到新途径是我们理论工作者应该理性思考的现实问题。

To follow the reform of credit system,undergraduate tutorial system in normal universities has come into being and has won initial success.While in practice,we have found serious problems worthy of consideration,such as the orientation of the tutor,the modes of tutorial system either domestically or abroad,ways to select the tutorial system in normal universities,how to construct and the problems of the current tutorial system and coping measures.

目前,通识选修课的教学管理存在着管理理念落后、教学管理者素质偏低、教学管理结构不合理、教学管理制度不健全等问题。解决这些问题,一要树立科学的管理理念,加强管理队伍建设;二要完善管理结构,实行四级教学管理;三要加强制度建设,规范教学管理。

Let G be a finite group.A subgroup H of G is said to be π-quasinormally embedded in G,if for each prime divisor p of the order of H,a Sylow p-subgroup of H is also a Sylow p-subgroup of some π-quasinormal subgroup of G.In terms of the properties of π-quasinormally embedded of maximal or minimal subgroups,some sufficient conditions of a saturated formation containing the class of all finite supersolvable groups or nilpotent groups are obtained,1)Let be a satuated formation containing supersolvable formation and N be a nomal subgroup of a finite group G such that GN ∈.If each maximal subgroup of any sylow subgroup of Q of F(G)of odd order is π-quasinormally embedded in NG(Q)and each maximal subgroup of a sylow 2-π subgroup of F(N)is π-quasinormally embedded in G,then G∈F.2)Let be a satuated formation containing nilpotent formation and H be a nomal subgroup of a finite group G such that GH ∈F.If each minmal subgroup or cyclic subgroup of order 4 of H is π-quasinormally embedded in G,then G∈F.And some known results are generalized and improved.

高校学生非正式群体的存在是客观的,其名称多样,成员复杂,形成原因各异。非正式群体在高校影响巨大,具有二重性。为了趋利避害,构建和谐校园,对学生非正式群体应该采取以下措施进行管理:正确认识非正式群体,疏导与参与并举;加强校园文化建设,营造良好的育人环境;加强正式群体建设,更好地满足学生的需要;加强思想政治教育和管理制度建设。

By aid of the π-quasinormality of some maximal subgroups,a sufficient condition for the satuated formations containing a class of supersolvable groups is obtained.Let F be a satuated formation containing supersolvable formation U and N be a normal subgroup of a finite group G such that GN∈F;suppose that all the maximal subgroups of any odd-order Sylow subgroup Q of F*(N) are π-quasinormally embedded in NG(Q) and each maximal subgroup of a sylow 2-subgroup of F*(N) is π-quasinormally embedded in G,then G∈F.

Using the weakly c-normality of minimal subgroup of to characterize the structure of a finite group,some sufficient conditions of finite supersolvable group are obtained.According to the theory of formations,some sufficient conditions of saturated formation containing the class of all finite supersolvable groups are got,and some known theorems are generalized.

The concept of generalized fuzzy automata based on positive real number R+ is formulated,its some properties are addressed.A algorithm of computing least tree is obtained through applying the kind of automata to the problem of computing least tree of network model.Finally,a example is presented to illustrate the performance of the algorithm.

From the importance of advanced algebra, this paper states its present situation and problems in teaching, expounds the four principles in its reform, that is, the training of students, the times of teaching content, the modernization of teaching method and the creativity of teaching ideas; and explores its basic content from the three aspects of teaching ideas, teaching content and teaching method.

According to investigation, most middle school teachers have faith in new mathematics curriculum. But at same time, assessment of teaching of new curriculum is most difficult issue in process of execution. And short of teaching material has also become bottle neck of execution. In practical teaching, firstly, relationship between knowledge target, talent target and emotion target has to be properly handled; secondly, the proper understatement of is to be properly understood and mastered; thirdly, exploration of teaching material should get enough attention; fourthly, mathematic cultural concept has to be built, thus some non-mathematic content should be introduced into mathematics class.

本文首先定义了四交系,四交系的扩充的概念,然后给出了一类四交系的构造方法,最后给出了该类四交系的规模的统一公式表示.同时,我们得到了一类特殊的四交系判定的充分必要条件.

本文探讨了CAI在教学改革中的必要性,论述了CAI的基本功能以及在数学教学改革中的主要应用,充分说明了CAI是21世纪教学的重要手段,是实现教学手段现代化的新途径.