Activity is a unit of instruction execution, and is the building block of a process.

活动(activity)是指令执行的一个单元，它是一个流程的基本组成部分。

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Universal, a unit of General Electric Co. 's NBC Universal, operates theme parks in Florida and California and is building a park in Singapore.

环球影城度假村公司是通用电器公司(General Electric Co .)旗下NBC环球公司(NBC Universal)的一个业务部门，在美国佛罗里达州和加利福尼亚州运营主题公园。该公司位于新加坡的主题公园正在兴建中。

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Apartment denotes housing unit that is complete in itself but it is a part of a larger building.

公寓住房单位，是指已完成的本身，而是它的一部分，更大的建设。

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His company recently finished a 390-unit apartment building one mile north of the National Mall and later this year plans to start on another nearby.

WSJ: Cities Outpace Suburbs in Growth

The 92-unit Snow Hill building is based on the site of a former hostel and homeless shelter.

BBC: Snow Hill apartments

But Midlanders point to signs of growing cosmopolitanism, including a planned 110-unit, loft-style apartment building downtown.

WSJ: Office Tower Sets Off Gusher of Opinions