The abstract system that an author constructs exists only in his mind, and the physical manifestation — the book — is only a convenient means of storage and distribution.

作者建造的抽象系统仅仅存在于他的脑海里，它的物理表现(书)仅仅是为了方便的保存和发行的一种手段。

youdao

I HAs read the abstract of his book.

我已经读了他书的概要。

youdao

Abstract Hybrid orbital theory is an important content of inorganic chemistry and structural chemistry in college text book, and it is the basis for further study of element compounds.

摘要杂化轨道理论是大学无机化学、结构化学课程的重要内容，是后续元素化合物学习的基础。

youdao

ABSTRACT:BOOK review of a new translation of the Iliad.

NEWYORKER: Battle Lines

Abstract : The author of the book "Cancer Wars" says the government should concentrate more on prevention.

CNN: Debaters Agree Cancer War Should Stress Prevention

ABSTRACT:BOOK review about the history of shoplifting.

NEWYORKER: The Secret Shopper