To describe different phenomena, physicists use various units.

为了描述不同的现象，物理学家使用不同的单位。

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Scaling an operating system to support many various units isn't a straightforward task.

想要打造一款支持许多类型设备的操作系统并非坦途。

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It has also consolidated its various units and reshuffled its management in order to speed up decision-making.

公司也对其名目繁多的部门进行合并，并改组管理结构，以期加速决策效率。

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Various units like cash equities, which have not been very profitable over recent years, will most likely be trimmed.

FORBES: How Citigroup's Reorganization Can Lift Its Share Value

But putting that aside, Sony's core message was that its various units were finally fully sharing their technologies rather than working in silos.

BBC: CES 2013: Can Japan��s tech firms reverse their losses?

Speaking of Hutchison's embattled international wireless telephony ventures, Li rattles off vernacular of the so-called high-speed 3G multimedia phones with the same familiarity he evinces on the debt levels of the various units.

FORBES: Thoughts of Chairman Li