查询词典 missing value

A character string whose value is implicit in the characters themselves. The numeric literal 7 expresses the value 7and the numeric literal "CHARACTERS" expresses the value CHARACTERS.

一种字符串，其值是组成字符本身内含的值，如数值文字7表示值7，数值文字"CHARACTERS"表示值CHARACTERS。

So far as current China is concerned, the leading value outlook sho uld be socialism with Chinese characteristic, and it should be developed in t he whole society by using the value yardstick of integrating the productivity pr ogress and individuals development, by using the value criteria of laying equal emphsis on scientific and humanism spirit.

对于现阶段的中国，主导价值观应是有中国特色的社会主义价值观。在全社会培育这种价值观，要坚持生产力进步与个人全面发展相统一的价值尺度，要坚持科学精神与人文精神并重的价值标准。

Here mainly introduces five natures of the initial value problems, In several aspects summed up as the following : whether there are solutions to the problems, whether the only solution, the existence of solutions interval extent; Initial issues under what conditions have a solution--Cauchy - Piano existence theorem; how the district between the definition of a solution to open up a larger interval up; initial value problems for the sole condition --- Lipschitz conditions; 3、the numerical solution of the initial value problems of Ordinary Differential equations .

在这里主要介绍了初值问题的5个方面的性质，分别在这几个方面中总结了以下内容：初值问题是否有解，解是否惟1，解的存在区间有多大；初值问题在什么条件下有解----柯西-皮亚诺存在定理；怎样把在小区间上有定义的解开拓到较大的区间上去；初值问题解的惟1性条件---李普希茨条件；3：常微分方程初值问题的数值解法。

Therefore, the relationship of unity of oppositeness has been discovered between three categories of value, use-value and exchange value.

从而揭示了价值、使用价值、交换价值三个范畴不仅对立而且统一。

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 technological rational essence of educational technology should be treated dialectically, because technological rationality is the unification of instrumental and value rationality. Educational technology should be designed and made use of at the precondition of carrying forward the value rationality. It needs to be prevented the extrusion of value rationality caused by overexpansion of instrumental rationality and the utter denial of technological rationality caused by over-exaggerated negative aspects in educational technology.

应辩证地看待教育技术的技术理性本质，因为技术理性是工具理性和价值理性的统一，要在弘扬价值理性的前提下设计和使用教育技术，要防止工具理性的过度膨胀挤压价值理性，也要避免过度夸大教育技术的负面作用而彻底否定技术理性。

It can happen and has happened in the past as true value is overshot from over value to under value of the average.

它可以发生，发生在过去的真正价值在於冲出超过规定值的平均价值。

Based on the research of the process characteristics of Yengisar Knife , this paper describles the general characteristics of the Uighur Yengisar Knife and its unique ties to Uighur history and culture, the aesthetic value and cultural research value of their arts are especialy unique, which has an important research significance and value to folk process, design arts, and other disciplines.

本文通过对英吉沙小刀工艺特质的研究，阐述了维吾尔族英吉沙小刀工艺特质的普遍特征和其与维吾尔族历史文化特有的联系，其工艺的艺术审美价值和文化研究价值很具有独特性，对于民族民间工艺、设计艺术学等学科具有重要的研究意义和价值。

Explain the significance of par value, book value, and market value of capital stock .

解释股票的面值，账面价值和市场价值

The difference between the par value and the higher market value of a security expressed as a percentage of the par value.

指某一证券的较高的市场价值同面值之间的差额，以面值的百分比表示。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。