APR (Enhanced Payment Reality) is a technology to enhance payment reality. It is a part of Alipay Kung Fu technology. As the name implies, the purpose of APR (Apache portable run-time libraries) is to provide a bottom-level support interface library, which can be used for upper-level applications across multiple operating system platforms.

Annual interest rate. Quality review. The annual interest rate of credit card. The abbreviation of April in English. Automatic layout and routing in electronic design automation. Automatically reduce power.

The abbreviation of April is April, and the English spelling is April. April in English comes from the word aperire, which means "open", which may mean that plants begin to grow in spring. Every April, Seville welcomes the traditional festival "April Festival", which marks the beginning of Spanish summer. April in the lunar calendar is the time when citrus and other crops bloom.