上海市农业农村委员会：今年将研究制定支持涉农科技型企业发展的专项政策文件

Used to introduce where or in what setting someone makes a statement. 在……上 often appears with events, meetings, or platforms such as 发布会、会议、论坛. 表示 means “to state” or “to express.”

This pattern identifies the role, nature, or category of something in a more formal or emphatic way. It is common in written and official Chinese, as in saying something is the main force, key factor, or important part of something.

将 is a formal written word meaning “will” or “going to.” It is often used in news, policy, and official announcements to talk about future plans or actions.

This structure means “to take A as B” or “to use A as the guiding principle, standard, or basis.” It is very common in formal writing and policy language.

Formal Chinese often uses verbs like 支持、促进、强化 followed by a complex object phrase. This pattern is important in news and government texts because it packs a lot of meaning into one noun phrase, such as supporting the development of something or strengthening a certain status.