One is abstracted from BUCK converter named single-loop model, which has only one high frequency current loop.

一个模型源自BUCK变换器，只有一个高频电流回路，称作单环模型。

youdao

The oil slick has now entered the loop current that runs from the Gulf of Mexico to the Florida Keys and up the east coast of the U.S., Jarvis said.

VOA: standard.2010.05.26