accelerating electronic lens的用法和样例：
- Pulse Duration Effect on the Ponderomotive Accelerating Electron[J].
- Other niceties include a built-in electronic lens cover, a LANC connector, and a flash for still photos.
- By assuming the weak lens focal length expression to be the first term in a power series, a simple and accurate formula can be derived for the objective focal length of a magnetic electron lens.
- Under the electron lens there were the intestine villus and a lot of beaker cells with adhered granule on the surface of cell,and the atypical cell and structure became more and more clear.