有效性

On the presentation of Mn-P fixation, this paper reviews the latest advances in recent 10 years and concentrates on the mechanism of phosphorus fixation in acid soils. In addition, it brakes through the classical inorganic P fractionation in to Fe-P, Al-P, O-P and Ca-Pin the traditional P classification and considers Mn-P as one of the main phosphorus fixation modes in latosols, cultivated from the parent basalt material. Furthermore, fixation of P by Fe, Al, Mn is compared, and differentiation from chemical availability and bioavailability of P discussed. Based on the above, this paper presents some alienable measures for enhancing P utilization efficiency and postulates pivotal future research directions in the field of P fixation.

本文以Mn-P的提出为出发点，论述了近10年来对酸性土壤固磷机理研究的新进展，突破了常规P素形态分级研究中分为Fe-P，Al-P，O-P和Ca-P等无机磷测定的经典分级，认为玄武岩母质砖红壤中的Mn-P是P素固定的主要形式之一，进而比较了Fe、Al、Mn对P固定作用，并从P的化学有效性与生物有效性差异等方面进行了比较全面的论述，提出了减少P素固定提高磷肥利用率的措施及今后的重点研究方向。

The experiment shows that single-mean algorithm is efficient on the text data set of multiple classes, which also shows that the learning method based on self-training mechanism is efficient in the extraction of binary relation.

实验表明了新算法在文本数据上的有效性，从而说明了self-training机制在二元关系抽取中的有效性。

Finally, it analyses the time complexity of the algorithm and researches how it is influenced by culture operator.3、The paper presents the evaluation standard of the GA's application capability. Basing on characters such as continuity, multi-peak, vibration, randomicity as well as large-scale, five functions are selected to test search ability and robustcity of co-evolution algorithm. Finally, it analyses the simulation result and researches the influence of algorithm brought by culture operators.4、Basing on the concept of collection overcast, it researches the task distribution issue and constitutes delaminated math model on task distribution issue. It puts out the co-evolution algorithm of subtask's decomposing. The experiment compare IGA、SGA to CN and validates the efficiency of co-evolution algorithm on the NP completeness issue.5、Being aim at the optimization issue of load of antenna near ground, it combines many GA strategies and puts forward strategic meme. And it puts out co-evolution algorithm of load of antenna design. And it emulates the optimization design of load of antenna near ground. Finally, it valuates the co-evolution algorithm's efficiency on the continuum search issues of multi-variable and multi-peak value.6、Being aiming at the knowledge of image model matching, it adopts single meme and real code. It puts out fast co-evolution matching algorithm strategy. Basing on NPROD resemble measurement, I emulate the indiscrimination model matching and discrimination model matching. Finally, it valuates the co-evolution algorithm's efficiency on the real code and real time search issue.

分析了算法的时间复杂度，研究了文化算子对算法时间复杂度的影响。3、提出了GA的应用性能评价标准，从连续性、多峰性、随机性、振荡性、广域性多个角度出发选择五个测试函数，对共同进化算法的搜索性能和鲁棒性作了函数优化的性能测试，分析了仿真结果，研究了文化算子对算法的影响。4、基于集覆盖的概念，研究了MAS中的任务分配问题，建立了任务分配问题的分层数学模型，给出了子任务分解共同进化算法，实验比较了IGA、SGA、CN，验证了共同进化算法对NP完全问题的有效性。5、针对近地天线加载优化设计问题，结合多种改进GA策略，提出了策略型拟子，给出天线加载设计的共同进化算法，对有耗半空间对称偶极子天线加载优化设计作了仿真实验，验证了共同进化算法对多变量多峰连续搜索问题上的有效性。6、针对图像模板匹配问题的领域知识，采用单类拟子和实数编码，给出快速共同进化匹配算法策略，基于NPROD相似度测度，仿真试验了无差别和有差别模板匹配，验证了共同进化算法对实数编码和实时性搜索问题上的有效性。

Like reliability, there are technical terms and issues associated with validity that are essential in helping teachers and administrators make reasonable and appropriate inferences from assessment results (e.g., types of validity evidence, validity generalization, construct underrepresentation, construct-irrelevant variance, and discriminant and convergent evidence).

象可靠性，有技术术语，并且是根本的在帮助的老师和管理员的问题与有效性相关由评估做合理和适当的推断发生(即，有效性证据、有效性概念化、修建代表名额不足、修建毫不相关的变化和有识别力和会聚证据的类型)。

It regards universal validity as objective validity. It is quite valuable that the commonality of knowledge is emerged. However, the problem of the objective validity of knowledge has not been solved reasonably because of its stand of transcendental philosophy.

作为传统认识论典范的康德哲学企图把经验论和唯理论最深刻的洞见结合起来，把普遍有效性规定为客观有效性，凸显了知识的公共性，极具深刻之处，但囿于先验哲学的立场，也未能合理地解决知识的客观有效性问题。

This essay introduced the method and the empirical results of run test, Dickey-Fuller test and variance ratio test on the efficient market hypothesis. Furthermore, reviewed the volatility test method and empirical result on the EMH which relative to the tests based on stock market return.

摘 要：介绍了市场有效性假定的游程检验，DF检验以及方差比检验的方法和相关实证研究的结果，与以上基于股票市场收益的市场有效性检验相对应，对市场有效性假定的波动性检验方法以及实证结果进行了述评。

Culum as a cut-in point, this thesis explores and studies the theory and practice of the music class effective teaching.

主要是对国内外有效性教学理论发展的介绍，并在此基础上对有效性教学的内涵、特征、基本原则做了一个梳理和探讨；第二章：音乐课堂有效性教学的理论与实践探索。

This article around the political and economic social development analyzes and introspects the intrinsic profound relation with comparison, and unify the illustration that the Contemporary China politics and construction promote the grow of state economic society, to attempt to elaborate the importance of the authority, the order and the vitality in constructing of the political validity,, and further verifies the middle axle principle role that the political validity plays in the national development, thus , from the political validity construction which promotes country growth and social development, to verifie the achievement which the China reform and open policy more than 30 for years obtained is the fact that the effective politics create effective development.

本文通过分析政治与经济社会发展的内在深刻联系和反思比较两者的关系，并结合当代中国政治建设促进国家经济社会成长的例证，试图阐述在建构政治有效性当中权威、秩序和活力的重要性，并据此进一步探明政治有效性在国家发展当中所起到的中轴原理作用，从而印证中国改革开放三十多年来所取得的成就从政治有效性建构促进国家成长和社会发展的层面上来说就是有效政治创造有效发展的事实。

In validity theory, application-specific validity constraints are axiomatized as validity fluents, the heuristic alternative responses are axiomatized as decisive complex actions, and they are composed into validity-ensured autonomous service units, which can be comprised into, and executed autonomously by, situation calculus implementation systems.

在有效计算理论中，采用有效性流函数刻画应用需求中的有效性约束常识，采用确定性复合动作刻画直接服务、补遗策略、替代策略、拒绝策略等启发式策略，并它们结合构成保证有效性的服务计算单元，纳入情景演算形式系统，利用情景演算的形式推理实现自治执行。

The influences of modeling theory, source of parameters and a posteriori simulation on validity of models are researched and an evaluation method of model validity based on the three factors is proposed, and the significance of performing dynamic evaluation of model validity is analyzed.

分析了模型的建模理论、参数的来源及后验仿真对模型有效性的影响，提出了基于这3方面因素的模型有效性评估方法，并分析了对模型有效性进行动态评估的重要性。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。