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。

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So,the combination of survivorship bias and backfill bias for that one year made 4.3 percentage points difference.

因此在生存偏差和回填偏差的共同作用下,造成了两个收益率之间4.3%的差值

耶鲁公开课 - 金融市场课程节选

As Hanson points out, look at the difference between this and previous ways of working the soil.

正如汉森所指出的那样,比较此方式和旧有耕作方式的不同你就会发现

耶鲁公开课 - 古希腊历史简介课程节选

Saints currently only trail second-placed Warrington on points difference ahead of Saturday's game at Crusaders.

BBC: St Helens prop Bryn Hargreaves has eyes on second spot

After a penalty apiece, Marcato struck at the death but Scotland avoided the Wooden Spoon on points difference.

BBC: Italy 23-20 Scotland

Wales are joint top of the Six Nations table with Ireland with two wins each, but Ireland lead on points difference.

BBC: Wales can make history - Guscott