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The study focuses on "value diversity", and explores it step by step with a route of "Review -Rethink and Criticism -Construction and Transcendence -Application"From a historical perspective, the study reviews and summarizes western educational evaluation theories and technology development, describes evaluation methods of so-called first three generations evaluation methods, and analyzes historical critique of them, including their failure to accommodate value-pluralism, a tendency towards managerialism, and the overcommitment to the scientific paradigm of inquiry; and then further points out that the fourth generation evaluation methods can be introduced for their effective response to problems of value-pluralism. The study focuses on the characteristics and ideology of the fourth generation evaluation theory; based on which, the research work investigates the social and cultural foundations of education evaluation theory and technology formation development from the dimension of the evolution of values foundation, the impact of social ideology and methodology conversion.

研究从历史的视角回顾、梳理了西方教育评价理论与技术的发展，对称之为前三代评价的方法进行了描述，并分析了历史上对这些早期评价方法的批判，包括对价值多元化的排斥问题、管理主义倾向、对调查的科学范式的过度推崇等；进而指出，第四代评价方法能够有效回应价值多元化问题而被引入，论文重点探讨了第四代评价理论的思想及特点；在此基础上，从价值基础的演变、社会思潮的影响和方法论的转换等维度考察了教育评价理论与技术形成发展的社会文化基础。

The first step of the plant pterin branch is catalyzed by GTP cyclohydrolase Ⅰ and the first step in the conversion of chorismate to pABA is mediated in plants by aminodeoxychorismate synthase.

叶酸分子是由喋呤和对氨基苯甲酸从头合成的，二者合成的关键酶腺苷三磷酸环化水解酶和氨基脱氧分支酸合成酶已得到克隆鉴定。

Parent Guideto the Baby Signs Program - an illustrated step-by-step guide for parents and caregivers.

父母指导宝宝手语课程－有插图的按部就班的给父母和爱护的指导书。80页。

In the step of modeling, normalization in feature space is discussed. In the step of fault detection, SPE statistic is constructed more easily by virtue of the kernel matrix. Partial kernel PCA is developed to extend the fault isolation based on structured residuals to nonlinear system.

在建模阶段，讨论了特征空间标准化的问题；在故障检测阶段，提出了一种利用核矩阵构造SPE统计量的方法以便故障检测更易实现；在故障隔离阶段，提出了部分KPCA算法，把基于结构化残差的故障隔离方法推广到非线性系统。

For drawing the parameter curve by point to point it orde to the parameter t's step length of increased make the progress range of the curve can not large than the length of one pels, otherwise the curve may step over one middle pels and skip one point that it should be on the curve.

要逐点地生成参数曲线，就要求参数t每次增加的步长要使曲线前进的幅度不得超过一个象素长度，否则有可能跨过一个中间象素而产生断点。

Author Freddie E Williams II is one of DC Comics' hottest artists and a leader in digital penciling and inking-and here, in clear, step-by-step directions, he guides readers through every part of the digital process, from turning on the computer to finishing a digital file of fully inked comic art, ready for print.

作者弗雷迪威廉姆斯第二的位置是一种DC漫画'最热门的艺术家和一个数字penciling和墨领导人在这里，清晰，一步一步的指示，通过每一个数字化进程的一部分，他引导读者从车削，计算机完成一个充分签署的幽默艺术，数字文件，准备打印。

The ratio of one-step gain versus loss was 1.826:1. There was only one multiple-step mutation with a double-repeat gain observed at PentaD locus.

只发现1例多步突变，表现为PentaD位点的等位基因的增加2个重复单位。

Application fields of sodium hexametaphosphate was summarized.Production technologies,mainly include two-step sodium dihydrogen phosphate production process and one-step phosphorus pentoxide production process of sodium hexametaphosphate,as well as advantages and disadvantages of various methods were introduced in detail.

综述了六偏磷酸钠的应用领域，并详细介绍了六偏磷酸钠的制备方法以及各种方法的优缺点，主要有磷酸二氢钠两步法和五氧化二磷一步法。

Cross-step that is the penultimate step, it plays an important role in the full technology.

交叉步即倒数第二步，它在完整技术中起着重要作用。

The website that is aimed at a company at that time was written medical certificate and the plan that return chain, oneself power is particularly great at that time, the old gave me 3 keywords at that time: Bridge of bridge of Wifi mobile phone, wireless net, Beijing wireless net, should come I undertake care is changed, I plan according to oneself above all in write one step by step did, the competition ability that I see WIFI mobile phone in Baidu index is not great, care changes the rate that go up should be the fastest, I update my website every day, increase oneself return chain, held to a month so, but see the rank of oneself website also often go up not to go, but this gives me of pepperbox died urgently, I am seeking a teacher every day, the friend asks, this is how to return a responsibility, how the rank of my website is old also go up not to go, but they are to use same word to tell me, fasten anxious, do care to change this thing not to come urgently, want to wait a moment, such I am able to bear or endure again strength waited 3 days, the following day, I rank a tool to be checked with the keyword, the rank contest of WIFI mobile phone discharged Baidu the 2nd, GG the position of the 5th, bridge of Beijing wireless net is on Baidu the 7th, GG the position of the 9th, when the work that sees oneself has positive result, really happy skipped to rise, follow ate close same.

当时就针对公司的网站写了诊断书和反链计划，当时自己的动力非凡大，老大当时给了我三个要害词：wifi手机、无线网桥、北京无线网桥，要来我进行忧化，我首先按照自己计划中写的一步步的都做了，我在百度指数中看WIFI手机的竞争力不大，忧化上去的速度应该是最快的，我就天天更新自己的网站，增加自己的反链，这样坚持了一个月，可是见自己的网站的排名老是也上不去，这可是把急性子的我给急死了，我天天追着老师，朋友问，这是怎么回事呀，我的网站的排名怎么老也上不去，可是他们都是用同样的话告诉我，别着急，做忧化这个事情急不来，要等等，这样我又耐着性子等了三天，第二天，我用要害词排名工具一查，WIFI手机的排名竞排到了百度第二，GG第五的位置，北京无线网桥在百度上是第七，GG第九的位置，当看到自己的劳动有成果的时候，真是开心的蹦了起来，就跟吃了密一样。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。