English abstract is an important part of the paper, and its content should be accurate, concise, clear and logical. In abstract, the compactness of language expression and whether the important information of abstract is covered are the keys to evaluate the quality of abstract.

In order to reduce the length of English abstracts, we can start from the following aspects:

Tightening language expression: concise expression, less emphasis on rhetoric and gorgeous language.

Streamline content selection: select the most critical and important information, ignore unnecessary details of the paper, and make the abstract short and clear.

Optimize the paragraph structure: organize the contents of the abstract in order and compress the meaning of each part into one sentence as much as possible.

Redundant words and phrases: Eliminate repetitive content, avoid using unnecessary words, phrases and sentences, and keep only necessary information.

When reducing the length of English abstracts, we should keep the logicality and clarity of abstracts, ensure the integrity and accuracy of selected information, and accurately convey the main contents of the paper.