Among the factors that affect the workpiece form accuracy, space geometry errors and kinematic errors usually play the main part.

在影响超精密加工工件面形精度的诸多因素中，机床的空间几何误差与运动误差往往占主要作用。

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Just remember this: the main role of the schema validator is structure validation; attributes do not play a big part in this.

请您记住这句话：模式验证器的主要职责是进行结构化验证；属性在这里面并不会起到多大的作用。

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The tax policy as a main part of finance policy should play an important role in expanding effective demand and stimulating economy.

税收政策作为财政政策的一个重要组成部分，应在扩大有效需求、刺激经济景气方面发挥应有的作用。

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The crowd had swelled to thousands by the time the first main part of the play was performed on Aberavon beach at 1500 BST.

BBC: Michael Sheen's Port Talbot Passion play reaches finale

This will be a first sign that the organisation is preparing to play a part in a region that the Bush administration describes as the main source of strategic danger to the western alliance.

ECONOMIST: A creaking partnership

The leader of the Conservatives said that the UK government's main priority was to reduce the deficit, and stressed that Wales must play its part in doing this.

BBC: Debate on the Queen's speech