回旋的

It doesn’t give you much leeway, does it?

, 你就没有多少回旋的余地了, 是不是？

The theory of medical microtron is introduced.The theory of medical runway microtron is expressed and its characteristics are compared with electron linear accelerator.

着重介绍了电回旋加速器原理，重点介绍了跑道式电回旋加速器的工作原理，并对电回旋加速器和电直线加速器的特点进行了比较。