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Trade cost theory, market validity theory and Commission theory are the economic foundation of Bill broker"s system. Two commission models under symmetry and asymmetry information between the investor and bill broker was structured in view of above, probing into two major interests subjects" distribution mode in interests, risk and encourage goal, and establishing the economies" foundation for the standardization development and perfection of bill broker"s system.

交易成本理论、市场有效性理论和委托—代理理论是证券经纪人制度的经济学基础，据此，笔者构建了信息对称和信息不对称两种情况下投资者和证券经纪人之间的委托—代理模型，探讨两大利益主体在利益、风险和激励上的目标分配模式，为证券经纪人制度的规范化发展和完善奠定了经济学基础。

There are two types of camels, there is a single-hump camel and the two peaks of the bimodal hump camel.

骆驼有两种，有一个驼峰的单峰骆驼和两个驼峰的双峰骆驼。

Next, we discuss the relations between left quasi-dual bimodules and left dual-bimodules, we obtain that a left quasi-dual bimodule is a left dual bimodule if it satisfies one of the following conditions: sM is minimal injective and MR is a M-minimal injective kasch-module; MR is a M-minimal injective kasch-module and for any two ideals LI and L2 ofSS rM(L1 n L2)-rw(L1)+rM(I2); sM is minimal injective and for any two submodules A and B of MR,Lastly, we applicate the quasi-duality on smash product algebra R#H, and obtain an answer of the semiprime problem, i.e., let H be a finite-dimensional semisimple Hopf algebra and R be an H-module algebra, if R is left quasi-dual and semiprime, then R#H is semiprime.

我们得到：一个左拟对偶双边模如果满足下列条件之一，则它将成为一个左对偶双边模：_sM是单内射的并且M_R是一个M-单内射kasch-模；M_R是一个M-单内射kasch-模并且对_sS的任意两个理想，有r_M(L_1∩L_2)=r_M(L_1)+r_M(L_2)；_sM是单内射的且对M_R的任意两个子模，有l_s=l_s+l_s。2 在第2.3节中我们将拟对偶性应用于smash积代数R#H，部分解决了半素问题。

A binary star is a system in which two stars revolve around each other; a binary compound; the binary number system has two as its base.

双星是一个由彼此环绕的两个星组成的系统；二元混合物；二进制的二进制的或与之有关的。

In each case, only one of the two possible expected ratios was accepted in all markers, furthermore, no significant deviation from Mendelian inheritance (two-tailed binomial test, P≥0.053). To investigate the polymorphism of AFLP markers, and the genetic diversity in populations of H. discus hannai, eight abalone populations were analyzed by using a total of six AFLP primer combinations. The mean percentages of polymorphic loci of the eight populations were 48.65%, 50.50%, 51.17%, 50.51%, 58.90%, 60.07%, 68.92% and 54.05%, respectively.

皱纹盘鲍群体多样性研究中，选取的6对AFLP引物组合在8个皱纹盘鲍群体内均能扩增出清晰、可重复的扩增产物，扩增带型差异明显。8个群体的多态位点比率分别为：大连养殖群体48.65%、烟台养殖群体50.50%、青岛胶南养殖群体51.17%、青岛崂山养殖群体50.51%、山东长岛野生群体58.90%、山东俚岛野生群体60.07%、日本岩手野生群体68.92%、大连野生群体54.05%；预期杂和度分别为0.2291、0.2438、0.2442、0.2374、0.2626、0.2723、0.3137和0.2802。

Under the electronic microscope, lamellar body and cellular organs such as bioblast in endochylema of the two treatment groups were more common compared with the control group. And lamellar body in the two treatment groups was more anachromasis and condensed compared with the control group.

透射电镜观察，沐舒坦治疗组、地塞米松治疗组Ⅱ型肺泡上皮内多见板层小体且染色深、致密，胞质内线粒体等细胞器多见，而对照组内难见板层小体、少见细胞器。

In fact, it follows some theory bases and research assumptions which include three kinds of bionomics, two basic research subjects and two-level assumptions.

实际上，企业演化观遵循着一些相同的理论基础和研究假设，它们包含三个方面的生态学理论、两个基本研究问题和两个层面的研究假设。

In this paper, a "two-molecule" model of ellipsoidal drop was established.And then the ellipsoid situation was transformed into sphere situation by coordinate transformation.By utilizing bipolar coordinates and Maxwell stress tensor, the expression of electrostatic radial and tangential forces between two drops was deduced.

通过建立水滴的"二分子"椭球模型，利用坐标变换把椭球问题转换成圆球问题，并运用双球面坐标和Maxwell应力张量理论，推导出两椭球水滴间的径向和切向电场力的表达式。

To obtain current-mode biquadratic filter with high accuracy, a voltage-mode second order universal filter based on two VFA's was transformed into a current-mode biquadratic filter-based on two AOA's by means of the concept of adjoint network.

为获得高精度电流模式双二次滤波器，以双VFA电压模式二阶通用滤波器为原型，用伴随网络的概念设计出AOA电流模式双二次滤波函数的新电路。

In the paper,the bisection method is used to solve problems of the connection of two highway curve s,to calculate transitional length between two circular curves.

介绍了用二分法求解方程的实用方法，并详细地介绍了公路曲线对接和公路圆曲线间缓和曲线长度计算问题的计算方

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。