Business processes can execute their activities in sequence or in parallel, over a very short period of time, or a much longer duration spanning days, weeks or longer.

业务流程可以按顺序或并行执行它们的活动，执行期限可以是较短的时间，也可以是跨数天、数周或更长的时间。

youdao

Whereas the cache API is designed to cache data for a long period or until some condition is met, per-request caching simply means caching the data for the duration of the request.

缓存api的设计目的是为了将数据缓存较长的一段时间，或者缓存至满足某些条件时，但每请求缓存则意味着只将数据缓存为该请求的持续时间。

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The duration datatype specified in the XML Schema 1.0 Datatypes Recommendation (see Resources) is a partially ordered type that represents a period of time.

XML Schema 1.0 Datatypes Recommendation（参见 参考资料）中指定的 duration 数据类型是一个半序类型（partially ordered type），表示一个时间段。

youdao

The view of another senior Treasury official, Under Secretary David Mulford, (expressed on the record at the London Economic Summit) to the effect that a currency stabilization fund for the Soviet Union would not be possible for at least 2-3 years a period of sufficient duration to permit structural reforms to precede ruble convertibility, will probably go by the boards within 6-9 months.

CENTERFORSECURITYPOLICY: Freedom Flame 2013

The view of another senior Treasury official, Under Secretary David Mulford, (expressed on the record at the London Economic Summit) to the effect that a currency stabilization fund for the Soviet Union would not be possible for at least 2-3 years -- a period of sufficient duration to permit structural reforms to precede ruble convertibility, will probably go by the boards within 6-9 months.

CENTERFORSECURITYPOLICY: Center For Security Policy

Will keeping vaccine induced immunity high for a longer period of time increase the duration of protection?

WHITEHOUSE: HIV Vaccine Awareness Day, 2011