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Difference from other algebraic structures which are introduced for some logic system, Implication Algebra is a abstraction of one logic connective, i. e. implicative operator, and other operators in it are all introduced by implicative operator.

特别值得提出的是，与其它为研究逻辑系统而引入的代数结构不同，蕴涵代数是对一个逻辑联结词，即蕴涵算子抽象而得到的，其它算子均是由蕴涵算子诱导而得到。

With the algebraic result in form of piecewise function expressions, the excitation and propagation processes of stress waves, including the longitudinal wave, the transverse wave, and Rayleigh-wave, are discussed in detail.

基于该分段函数形式的代数结果，纵波、横波、Rayleigh波等应力波成分在弹性表面的激发和传播过程得到详尽分析，其中很多结论是已有的解析积分结果或者数值计算结果不曾得到的。

From this,two algorithms to find low degree annihilators of a Boolean function are present:complete searching and stochastic searching.The complete one can not only get all the low degree annihilators of a Boolean function,but also get the algebraic immunity of the function.

利用完全搜索法可以得到布尔函数的所有低次零化子，同时还可以确定该布尔函数的代数免疫度；利用随机搜索法能快速得到布尔函数的任意一个低次零化子。

This paper proposes an algorithm of division and multi-level clustering with multi-strategy optimization,which bases on study of today's mature algorithms.

本文在研究已有成熟算法的基础上，提出了基于分治多层聚类的话题发现算法，其核心思想是把全部数据分割成具有一定相关性的分组，对各个分组分别进行聚类，得到各个分组内部的话题，然后对所有的微类再进行聚类，得到最终的话题，在聚类的过程中采用多种策略进行优化，以保证聚类的效果。

The capitalists in the various spheres of production do not secure the surplus-value, and consequently the profit, created in their own sphere by production of these commodities, but only as much surplus-value, and profit, as falls to the share of every aliquot part of the total social capital out

不同生产部门的资本家…不是得到了本部门生产这些商品时所生产的剩余价值或利润，而只是得到了社会总资本在所有生产部门在一定时间内生产的总剩余价值或总利润均衡分配时归于总资本的每个相应部分的剩余价值或利润。

Alkylamine reaction with dialkyl cyanodithioiminocarbonate was catalyzed by quaternary ammonium salts at room temperature to yield 3-alkylamine-5-amino-1,2,4-triazole in good quality and high yields. After imidization and reaction with an α,β-unsaturated acid derivative, the reaction intermediate was hydrolyzed in the presence of a Lewis acid to obtain the target product.

烷基胺与氰基亚胺硫代二甲酯在季氨盐催化作用下得到质量好、收率高的3-烷氨基-5-氨基-1，2，4-三氮唑，进一步经过亚胺中间体并与α，β-不饱和酸酯作用后，中间产物在Lewis酸催化作用下水解得到三唑嘧啶酮。

When you have a total turnover of more than 660 yuan since you can get 15% of retail profits, a total of more than 2200 yuan, you can get 20% of the retail profits, more than 10,000 when it is 23%, more than 30,000 is 26%, 60,000 more than you will get a maximum allocation of 28% of the profits, just like other businesses, we Nahuo to manufacturers, you Nahuo the higher the turnover, profits have been higher.

当你的营业额累计超过660元以后你便可获得15%的零售利润，累计超过2200元以后，你便可获得20%的零售利润，超过1万时是23%，超过3万是26%，6万以上你便会得到最高利润分配28%，就像其他生意一样，我们去厂家拿货时，你拿货营业额越高，得到的利润也越高。

If aloe plants are not easily obtained in your area, you can always get one on the internet.

如果芦荟植物是不会轻易得到您的地区，您可以随时得到一在互联网上。

By coincidence method, the calibrationn technique of ZnO:Ga crystal response to single heavy charged particle was established, the waveform response to the single alpha particle was measured, the experiments data were analysed, and the time response to single proton was gained from the plasma time relationship.

利用符合法原理，建立了ZnO：Ga晶体对单重带电粒子响应的标定方法，得到了该晶体对单α粒子的响应曲线，并对此进行了分析，根据等离子体时间的相对关系得到其对质子的时间响应范围。

In this paper, we mainly study the alternating group A_4 actions on spin 4-manifolds. First we discuss the special action of A_4 on K3 surfaces of Fermat type, we compute the fixed points set of this action and some invariants of the group action, also we get some topological properties. Then we study the A_4 actions on general K3 surfaces and obtain some similar results.

本文主要是以交错群A_4在K3曲面上的作用为研究对象，从Fermat型K3曲面上的特殊的A_4作用出发，得到了Fermat型K3曲面上A_4作用的不动点，利用不动点集计算了群作用的一些不变量并得到了相关的拓扑性质，在此基础上进一步把其中的一些结果推广到一般情形下的同伦K3曲面上。

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。