The five points difference method is used to calculate the voltage distribution on the meridian surface of axial-symmetrical electrostatic lens.

采用五点差分法计算轴对称静电透镜子午面上电位分布，再从普遍轨迹方程求得的电子轨迹出发得到透镜焦点和球差。

youdao

We had a couple of chances, we scored a try - it makes a real difference, because you get five points.

BBC: Robinson says his Scotland players deserve plaudits

Depending on the taxpayer's circumstances, he says, there can be a difference of one to five percentage points, or more, in after-tax returns.

WSJ: Tax Report: What's Next for Offshore Accounts?

And once again Wilkinson made the difference with four penalty goals to an Australian try by Lote Tuqiri and five points kicked by Stirling Mortlock.

CNN: Wilkinson shatters Wallabies again