查询词典 arithmetic al function

Association rule is an important content in data mining, efficient arithmetic is the most important part of data-mining 昺odel, especially when facing the complicated and various demands, it is necessary to propose characteristic and complementary arithmetic according to different factors. The paper analyses elaborately the idea of association rule mining arithmetic based on constraints, studies the classes of constraints in order to confirm its utility. The arithmetic aiming at united variable constraints improvement strategy and exchange of complication aggregation constraints has been designed, the practice has proved that it is effective.

关联规则是数据挖掘研究的重要内容，高效的算法是数据挖掘的重要组成部分，而且面对复杂的多方面的需求，应提供针对各种因素的各具特色的互补的多种算法，本文详尽地研究了基于约束的关联规则挖掘算法的思想，深入地研究了约束的分类、确定其可利用的性质，在此基础上提出了针对联合约束中前驱和后继重叠时的改进策略和复杂聚集约束的转换方法。

The key of this article is the tri-prism modeling arithmetic and the incising arithmetic of tri-prism. It detailed introduces the modeling arithmetic and three kinds of incising arithmetic.

本文重点研究了三棱柱的体建模算法以及基于三棱柱体的切割算法，进行了详细的算法设计，将三棱柱的剖切分情况进行了详细介绍。

In this paper, after researching various arithmetic of real-time tracking the author probe into these correlative tracking arithmetic and provide a new real time tracking arithmetic based on template self- correlation. It is a useful arithmetic that proved effective and feasible by series examination.

本文通过对各种实时跟踪算法进行研究后，针对相关跟踪算法进行了探讨，提出了基于模板自相关的实时跟踪算法，实验证明算法是有效和可行的。

General arithmetic frameworks of crop simulation model can be systemically classified by the crop variety, and then on the base of crops" general physiological-ecological process, it is divided into five modules. We synthetically epurate general arithmetic frameworks, covering crops" main dynamics of growth process, such as plant development stage and phenophase, photosynthesis, respiration, dry matter accumulation and partitioning , LAI, yield formation, et al, and introduce parameters to build different crops growth simulation general arithmetic.

根据作物的不同类型，对国内外作物生长模拟模型进行系统分类，再以作物的一般生理生态规律为基础，将作物生长模型划分成五大组成模块，通过系统地分析、综合，提炼作物生长模拟通用算法框架，涵盖了作物阶段发育和物候期、光合作用、呼吸作用、干物质积累和分配、叶面积指数、产量形成等主要的生长动态过程，并采用参数化建立了不同作物的生长模拟模型通用算法。

The results of SEM, XRD and XPS analysis show that electrolytically etched surface consists of Al and Al〓O〓. Al〓O〓 concentrates in pattern area and exists in forms of α-Al〓O〓 and γ-Al〓O〓.

Al-Mg-Si合金经电解刻蚀图纹化后，SEM、XRD和XPS分析表明，刻蚀表面由Al和Al〓O〓组成，Al〓O〓主要集中在图纹处，以α-Al〓O〓和γ-Al〓O〓的形式存在。

The better condition synthesizing the assorted minerals of zirconolite and sphene doping neodymium is holding 30 min at 1230℃, and the better formula is nCa(subscript 1-x/2-y/4 Zr(subscript 1-y/4);Al(subscript x/2) Ti(subscript 2-x/2O7): nCa(subscript 1-x NdAl Ti(subscript 1-x)SiO5[4/(4-y)]:1. Nd(superscript 3+) can enter crystal lattices of ite and sphene. Sphene can immobilize Zr(subscript 4+), Al(subscript 3+) and Nd(subscript 3+); Zr(subscript 4+) and Nd(subscript 3+) replace Ca(subscript 2+), and Al(subscript 3+) replaces Ti(subscript 4+). Zirconolite can immobilize Al(subscript 3+) and Nd(subscript 3+) Nd(subscript 3+) replaces Ca(subscript 2+) and Zr(subscript 4+), and Al(subscript 3+) and replaces Ti(subscript 4+).

研究表明：钙钛锆石和榍石组合矿物固化体较佳的合成条件是在1230℃条件下保温30min，较佳配方的摩尔比为nCa(下标 1-x/2-y/4 Nd(下标 x+y/2)Zr(下标 1-y/4)Al(下标 x/2)Ti(下标 2-x/2) O7：nCa(下标 1-x Nd Ti(下标 1-x)-SiO5=[4/(4-y)]：1；Nd(上标 3+)能够进入钙钛锆石和榍石晶格，榍石能够固溶Zr(上标 4+)、Al(上标 3+)、Nd(上标 3+)，Zr(上标 4+)和Nd(上标 3+)取代Ca(上标 2+)位，Al(上标 3+)占据Ti(上标 4+)位，钙钛锆石能够固溶Al(上标 3+)、Nd(上标 3+)，Nd(上标 3+)进入Ca(上标 2+)位和Zr(上标 3+)位，Al(上标 3+)占据Ti(上标 4+)位。

Within a certain society,preference can show variance between different social groups (Lindhagen, 1996; Misgav, 2000; Roovers et al., 2002;Tyrv¨ainen et al., 2003), age (Jensen, 1999; Kaplan and Kaplan,1989), gender (Tyrv¨ainen et al., 2003) and recreational activity(Ribe, 1989; Lindhagen, 1996; Roovers et al., 2002; Tyrv¨ainenet al., 2003; Hirokazu and Fukamachi, in press).Among the range of factors influencing forest preferences,ecological knowledge has been emphasised.

在某一个社会中，偏好，可以查看差异不同社会群体之间（ lindhagen ， 1996年； misgav ， 2000年；罗弗斯等人， 2002年； tyrv ¨ ainen等人， 2003年），年龄（詹森， 1999年；卡普兰和卡普兰， 1989 ），性别（ tyrv ¨ ainen等人， 2003年）和休闲活动（里伯， 1989年； lindhagen ， 1996年；罗弗斯等人， 2002年； tyrv ¨ ainenet人， 2003年；弘和深町，在新闻），其中一系列因素影响森林的喜好，生态知识已是不言而喻的。

SiC polytypes of 6H and 15R and a transition zone between the two were observed under HREM and TEM and discussed from the point view of the crystal structures; the clear evidence of Al〓C〓 nucleated in the SiC particle was provided, indicating the aluminum penetrating the SiC grains is already carbon-saturated and, consequently, Al〓C〓 crystals grow in the particles wherever a temporary local supersaturating is produced; The experimental observation indicated that the types of the interface between SiC and Al are variable and the distribution feature of reaction product, Al〓C〓, were also given in the present work: to be nucleated on SiC, to be aggregated at SiC/Al interface zone or to be aggregated at the crystal boundaries.

通过高分辨透射电镜，本文观察到SiC增强体中6H和15R同质多晶现象及6H-15R SiC转变区，以及另外一种无序的SiC同质多晶，并从其晶体结构的角度解释了6H和15R在晶体内共存的现象。通过高分辨透射电镜，本文给出了Al〓C〓在SiC颗粒内部形核的明证，表明Al〓C〓形核是Al渗透到SiC颗粒内部在C过饱和处在SiC的（0006）面上而形核，而且一种可能的位相关系为A1〓C〓[11〓0]∥SiC[11〓0]。研究结果同时给出了SiC/Al复合材料的界面反应产物A1〓C〓的分布特征：在SiC上形核并生长，聚集于SiC/Al界面去附近，或者聚集于晶界上。

The covalency for each bond obeys the following order:La-O＜Al(5)-O＜Al(1)-O＜Al(4)-O＜Al(2)-O＜Al(3)-O＜M-O.

晶体中各格位共价次序为：La-O＜Al(5)-O＜Al(1)-O＜Al(4)-O＜Al(2)-O＜Al(3)-O＜M-O。

The correlations of the concentrations of Al in tea leaves with sorbed inorganic Al, Al oxide dissolved by hydrochloric acid and Al chelated by humic acid were all not significant, this indicated that the three forms of Al in soil were too stable to be assimlated by tea leaves.

通过成叶和嫩叶铝含量随土壤pH值的变化关系和土壤溶液中铝的存在形态与土壤pH值的关系之比较，初步推测茶叶吸收土壤的铝以Al〓离子为主；由于土壤pH值是影响茶叶吸收铝的主要土壤化学因素，因此，提高茶园土壤pH值，降低土壤酸度是降低茶叶铝含量的有效手段。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样