查询词典 hereditarily enumerable set

He explored the social function of China's Historical Geography;brought forward the research method of combining literature record with field survey;developed the evolution of geography;set up a monument in the research of environmental changes in the Huanghe Valley;opened up a new field in the research of historical agricultural geogra-phy;unveiled the internal structure of form and evolvement densely-populated areas;settled a base in the research of histo-rical military geography;heightened the research level on the historical cultural geogranhy;made original study on the historical national geography;made systematic study on the issues of transportation in history;made fruitful achievement in the Shaanxi Historical Geography;set up the subject engaged in China's ancient capitals;illustrated the value of chorography;enriched the historical cartology;originated magazines on Chin's Historical Geography;trained a team of research staff in Historical Geography.

他对中国历史地理学史进行了深入研究；发掘了中国历史地理学的社会功能；提出了文献记载与实地考察相结合的研究方法；促进了沿革地理学的发展；树立了黄河流域环境变迁研究的丰碑；开辟了历史农业地理研究的新领域；揭示了人口稠密地区形成和演变的内在机制；奠定了历史军事地理研究的基础；提高了历史文化地理研究的层次；对历史民族地理进行了独到的研究；对历史上的交通问题进行了系统探索；对陕西历史地理的研究取得了丰硕的成果；创立了中国古都学；阐明了地方志的价值；丰富了历史地图学的内容；创办了中国历史地理学的定期刊物；培养了历史地理学的研究队伍。

Notwithstanding the validity period set out in this chouse, we guarantee to pay the sum referred to in clause 1 hereof upon receipt of written notice from you at any time within a period of three (3) months from the Expiry Date set out in this clause that has not fulfilled all of its obligations under the Contract.

尽管这chouse有效期开始，我们保证立即支付款项交只要收到您书面通知的收据在为期3个月内的任何时间，而这个时期是由没有按合同履行职责的条款中规定的终期。。

In its primary thrust this affirmation set the premise of Orthodox Christology; it also set the premise for the development of doctrine concerning Mary.

在其主要推力，这肯定设置的前提下东正教christology ；它还设置的前提下，为发展学说关于玛丽。

The Yuan government set up a set of circumstantial administration system of agriculture, in which the Bureau of Agriculture , the A...

元朝对农业的控制和管理，集中地体现在建立了一套完整的由中央到地方的农业管理系统。

Riding with page stapler, and book and covers cross-nested set after a ride on the wire on the shelves of books and periodicals from the spine creases into the outside by two iron wire set up in a crate clasper is referred to as a horse.

在骑马配页订书机上，把书贴和封面套合后跨骑在订书架上，将铁丝从书刊的书脊折缝外面穿进里面，用两个铁丝钉扣订牢称为骑马订。

Main topics of this dissertation are as follows:(1) In this paper, we re-interpreted the basic concept of classical rough set theory based on VPRS, we also analyse the features and process of the application of rough set theory in data mining and pointed out the direction of the research.

本文的主要工作包括：(1)在可变精度粗糙集理论下对经典粗糙集的概念进行了重新的诠释；分析了粗糙集理论在数据挖掘应用中的理论根据和基本原理，并点出了研究的方向。

Fuzzy set theory, an extension of classical set theory, is used to deal with the so-called fuzzy sets whose members are ambiguous.

本文基于可信性理论，对模糊变量的熵进行了详尽的分析和研究。

In contrast to classical set theory, fuzzy set theory, which takes the uncertainty intrinsic to images as a fact, finds great success in the area of thresholding.

与经典的二值集合理论相比，模糊集理论因为考虑了图象所固有的不确定性而在门限化领域获得了很大的成功，受到了广泛的重视。

After analyze some kinds of extensions to the classical rough set theory, a new extension of rough set model based on limited non-symmetric similarity relation is developed.

为此，在分析研究已有的扩充粗糙集理论模型的基础上，进一步提出基于限制非对称相似关系的扩充粗糙集模型。

Rough Set theory is an useful tool to process inaccurate data. But classical rough set theory is not good enough to solve these problems when original data is fuzzy or indefinite.

但是在实际生活中，存在许多模糊现象不能简单地用传统理论精确地刻画，如何表示和处理这些现象是数据挖掘研究中的重要问题。

Pradeep Indulkar, a senior official at the Maharashtra state Home Ministry say 101 human were killed and 287 injured.

马哈拉施特拉邦内政部高级官员Pradeep Indulkar称，有101人在冲突中丧生，287人受伤。

Mark Frei, a senior vice president of West, says 80% of West's homeagents have some college education, compared with 30% of those whowork in office-based call centers.

Frei说，该公司80%在家办公的人员都拥有本科学位，而在公司电话中心工作的人中只有30%拥有本科学位。