This form of layering does have its own drawbacks because its bakes in assumptions of location agnosticity and synchronicity of invocation into the higher order service units.

这种形式的分层有其缺陷，因为它假设高阶服务单元的位置不可知性和调用的同步性。

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A significant number of production units will be delivered to the data service provider's Annapolis, Md. headquarters for installation within its global network.

相当数量的产品将交付给总部位于马里兰州首府安纳波利斯的数据服务提供商，安装在其全球网络中。

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Mediations can be composed from standard units of functionality and deployed to facilitate interactions between mismatched service requesters and providers.

可以由标准功能单元组成中介，然后进行部署，以帮助不匹配的请求者和提供者进行交互。

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The National Park Service manages a total of three hundred ninety-one "units,"

VOA: special.2009.09.28

In this manner, a formidable array of heavily armed units, emergency service personnel and detectives get potentially invaluable, life-saving training in how to prevent terrorist attacks and, failing that, to contend with their aftermath.

CENTERFORSECURITYPOLICY: Policing Terror

"Deterring irresponsible use of alcohol is essential to the readiness of our fleet and ensuring the health and safety of our service members and units, " Adm.

NPR: Navy: Random Alcohol Tests For Sailors In US

District policing partnerships are made up of councillors and members of the local community, who work alongside the Police Service of Northern Ireland's 29 District Command Units in trying to meet local community policing needs.

BBC: NEWS | UK | Northern Ireland | Device sent to home of DPP member