Optics are mounted on removable sub-assemblies.

光学配件安装阻碍可移动的子装置上。

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In those fields, standard manufactured components, sub-assemblies, and reactions are bench tested.

在那些领域，标准化制造的部件、子系统集成和反作用，已经成为基准测试。

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Subsequent iterations further the building of sub-assemblies in reality or through models, depending upon the number of standard elements.

后面的迭代更加促进了构建子系统集成，是实际系统或模型则依赖于标准单元的个数。

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If distributed manufacturing and snap-together assembly were really such bad ideas, its American rival Boeing would not have recently adopted the same approach, flying in sub-assemblies to its Seattle base from as far away as Japan and Italy.

ECONOMIST: Airbus