查询词典 archimedically ordered number field

Through a great number of field investigations and inoculation identifications, six corn varieties( Denghail, Jidan209, Dan639, Nongda3138, Benyu9) and two corn inbred-lines( Mo 17 and Huangzao4 ) widely popularized and used in Jilin province corn production and corn breeding now were defined as ideal differential hosts for pathogens of Sporisorium reilianum .They represented different resistant and susceptible level of corn to Sporisorium reilianum and were able to group the pathogen collections of Sporisorium reilianum from different corn-grown areas in Jilin.

经过大量的田间调查及人工接种鉴定，确定了登海1、吉单209、吉单180、丹639、农大3138、本育九、Mol 7和黄早四为较理想的玉米丝黑穗病鉴别寄主，初步建立了吉林省玉米丝黑穗菌致病性分化的鉴别寄主体系，该鉴别体系中的6个玉米品种及2个玉米自交系代表了吉林省正在推广使用的玉米品种资源和二大骨干自交系，对今后鉴定和监测病菌致病类型的分化具有重要作用。

Diophantine equation is an important branch of the number theory, and also the most active in the field of mathematics though the whole history.

不定方程又称为丢番图方程，是数论的重要分支学科，是历史上最活跃的数学领域之一。

There are many solutions, which are very simple and also easy to understand, but hard to think out. Another name of indeterminate equation is Diophantine equation, its an important branch of the number theory, and also the most active in the field of mathematics through the whole history.

不定方程又称为丢番图方程，是数论的重要分支学科，是历史上最活跃的数学领域之一。1980年，著名的数学家柯召和孙琦在我国出版了第一部专门研究不定方程的专著《谈谈不定方程》。

As a relatively new field, discrete mathematics has a number of fundamental open problems.

作为一个相对较新的领域，离散数学有一个基本的开放问题。

In this paper,based on a large number of field investigations and laboratory comprehensive analysis the eco-environment of west route diverting water region was evaluated.

在大量的野外调查和室内综合分析的基础上，对南水北调西线调水区域的生态环境进行了评价。

They are equal in number, which offers an effective means to measure the electrostatic field energy.

静电场能量和静电能量在数值上是相等的，这为静电场能量的测量提供了一条有效的途径。

However,the general tendency is that the number is growing The main events include track and field,ball-games,swimming,gymnastics,weightlifting,shooting,fencing,boating, equestrianism and boxing etc.

主要项 目有田径，球类，游泳，体操，举重，射击，击剑，划艇，马术，拳击等。

However,the general tendency is that the number is growing The main events include track and field,ball-games,swimming,gymnastics,weightlifting,shooting,fencing,boating,equestrianism and boxing etc.

主要项目有田径，球类，游泳，体操，举重，射击，击剑，划艇，马术，拳击等。你知道冬季奥运会吗？

It is possible, upon the theory of equipotential surface, to find in an electric field a large number of points, all of which have the same potential.

此外，还可以用于强调句中，强调主语、宾语或副词短语，注意这种结构不可强调动词。

Method］ The main stem height, main stem leaf number and fresh and dry weight of Eupatorium odoratum were measured in different light intensity in the field.

方法］以飞机草为研究对象，在田间测定了不同光照率对其主茎生长高度、主茎叶片数和鲜干重的影响。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。