A class is a concept in a domain.
类是域中的概念。

An abacus provides concrete experiences for learning abstract concepts.
珠算为学习抽象概念提供了具体经验。

Several Concepts must be Abandoned in Development of Ecological Agriculture
发展生态农业中必须扬弃的几种观念

Modern sex researchers have practically abandoned the general concept of a sex drive.
现代性学研究者实际上已经废弃了性驱力的一般概念。

Debating Caused by the Abbreviation of the New Concept of Education
教育学新概念的简称所造成的学术争论举隅

Research on Flow Direction of Conception Vessel by the Name of Acupoints on Conception Vessel in Chest and Abdomen
从任脉胸腹部经穴的命名看任脉的经气流注方向

To introduce the concept and evaluated methods of wavefront aberration techniques and its development.
介绍波阵面像差技术的概念，描述方法及研究进展。

The purpose of the project is to introduce the concept of wavefront aberration and to evaluate its techniques and clinical applications.
介绍波阵面像差技术的基本概念，评价方法及临床应用。

Haitao breaks away from royal reason is, royal a few concepts and he is abhorrent.
彭海涛脱离盛大的原因是，盛大的一些理念与他不一致。

But the ability to conceptualize a solution to a problem.
但运用方法解决问题的能力。

The first part is about the fundamental conception of the ability.
第一部分对学科创新能力进行了界说。

The ability to form or understand mental concepts and abstractions.
形成或理解理性或抽象概念的能力。

The ability to conceptualize and understand spatial relationships is needed.
同时需要空间关系的构思和理解能力。

The concept of the ecosystem differs from that of the community in that more emphasis is placed on abiotic factors.
生态系统的概念不同于群落，群落更强调非生命的因素。

Retained products of conception following abortion
流产后受孕产物滞留

Retained products of conception not following abortion
非流产后受孕产物滞留

Meanwhile, even among those who accept evolution, misconceptions abound.
同时，那些拜进化论者中间也充斥着误解。

In the theory, Einstein discards the concepts of absolute time and absolute rest.
在这个理论中, 爱因斯坦抛弃了绝对时间和绝对静止的观念。

INTRODUCTION TO THE CONCEPT OF ABSOLUTE FILTRATION
绝对过滤概念的介绍

a general or abstract concept or term considered absolute or axiomatic
普遍的或抽象的概念或术语，认为是绝对的或自明的

Love is absolute. But the conception of love varies with the individual consciousness.
爱情是绝对的, 但不同观念的人对爱情会有相异的看法。

In the unconscious of a traveller,Norway evokes a concept of an extreme land,of absolute north.
提起旅游，挪威人想起的是地球最北端的一片极地风光。

He seems to have absolutely no concept of time.
他看起来根本没有时间观念。

You are flogging a dead horse trying to persuade him to accept the new conceptshe is absolutely an old fossil.
想劝他接受新思想根本不可能，他决对是个老顽固。

Both electromagnetic wave absorber material and electromagnetic wave absorber are two different concepts.
该文指出电磁波吸材料和电磁波吸收体是二种不同的概念。