Normative academic articles usually use passive voice to highlight information. However, due to the clearer expression of active voice, active voice is now required in some places.

Who is the name of the English abstract?

It's best not to use first-person pronouns such as me and us, but to use a third person such as the author.

What tense is used in English abstract?

The simple present tense is the main tense, which represents an objective law existing in nature. Under special circumstances, the simple past tense or the present perfect tense can be used to indicate the conclusion in a certain range or the continuity of a certain process. The simple past tense is usually used to describe specific actions and the simple present tense is usually used to summarize main results.

Note: When paper is used as the subject to describe the general situation of the paper, the general present tense is often used: this paper aims to focus on … and when study is used to describe the same content, the general past tense is often used: this study has investigated …