上模

In chapter 2, we introduce weak hopf π coalgebra and two kinds of special subalgebra over it.Some basic properties are studied to make a basis for the following chapter.

第三章主要是在弱Hopf群余代数上建立Yetter-Drinfeld模，探讨其性质并给出它的等价条件，从而对其结构有更本质的认识。

The cohomology of q-polynomial coalgebras with coefficients in trivialcomodule K are also determined(see Theorem 6.3.11).Having obtained Theorem 5.2.3 andTheorem 5.2.4,we determine(see Theorem 7.2.6)all the nonzero 〓.

对于这一类q-多项式余代数，我们决定了（见定理6.3.11）系数在它的平凡余模K中的上同调，有了定理5.2.3与定理5.2.4以后，我们决定了（见定理7.2.6）所有非零的〓。

In this article,based on the twolevel algorithm of selforganization and by applying the method of combinatorial investment ,we set up GMDHtwolevel algorithm security combinatorial investment prospective proceeds model.

以自组织理论两水平算法为基础，采用组合投资方法，在证券投资GMDH两水平算法预测模型的基础上，建立了GMDH两水平算法的证券组合投资预期收益模

According to the characteristic of matrix converters, strategies for reducing common-mode voltage in current-controlled MC are proposed based on the hysteresis current control and space vector modulation.

在滞环电流和空间矢量复合控制的基础上，针对电流控制型矩阵变换器自身的特点，提出了一种抑制共模电压控制策略。

We have discussed the relation of commutator and operator of related on orthomodular lattices.

文章讨论了正交模格上的换位子及关联算子之间的联系。

The dynamic performances of the II type and mainframe tripled frequency converter are researched, on the basis of which the experimental mode test of the II type tripled frequency converter is completed and the shell of the mainframe tripled frequency converter is optimized, which has laid the foundation for the following design and improvement.

本文主要针对Ⅱ型三倍频组件和主机三倍频组件的动态性能进行了研究，并在此基础上完成了Ⅱ型三倍频组件的实验模态测试和主机三倍频组件壳体的结构优化，为后续的设计和改进奠定了基础。

By utilizing the complex multiplication property of the curves and using a modulo reduction and Frobenius expansion technique, it is shown that there is a fast point multiplication method without precomputation on the curves, which is 6 times faster than the ordinary repeated-double-add method.

结果显示，利用这类曲线的复乘性质，使用模约减和Frobenius展开技巧，这类曲线上存在一种不带预计算的快速点乘算法，其运算速度是通常的重复加倍-点加算法的6倍。

It is a high efficiency mould that developed on basic of concessive mould, it represents the mould' developing direction and trend. It apply to productions of large qualities with thin material' medium or small punching parts.

它是在级进模基础上发展起来的高效模具，代表着模具发展的方向和前沿，适用于生产批量大、板料较薄的中、小型冲压件的生产。

The gas-liquid performance of the compound tray with free area 20% and 25% respectively was investigated by multi-path conductometer.

采用多路电导测试系统，在直径500mm的冷模塔内，以空气-水为试验物系，研究了开孔率20%和25%复合塔板上的气液运动规律。

Full quanta theory was used in analysis the working principle of laser, educed the photon states of single pattern radiate in two energy-step system, and simulated the establishment of laser mode and statistical distribute of photon.According to elf consistent equations of RLG; build the simulated program with LabWindows/CVI and do some simulation experiments,The result of simulation matched the theory perfect perfectly and conform to the experiments, the locked-in and pattern competition coursed the periodic light intensity.

在激光陀螺自洽场方程组的基础上，运用LabWindows/CVI软件建立了灵活方便的激光陀螺仿真平台，并进行仿真试验，仿真试验结果与理论分析很好的相符合，且能够较好地说明陀螺试验现象，即在闭锁阈值附近，由于闭锁效应和模竞争相互影响，使得激光腔中两行波相互关联，光强差随时间呈周期性变化。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。