Because you can put these probes anywhere to indicate the start and end of a operation, they can span multiple functions, or only a small fragment of a given function.

因为可以把这些探测放在任何地方以表示操作的开始和结束，所以它们可以跨多个函数，也可以只覆盖函数中的一小部分。

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The Interval is half-open, meaning that the span of time encapsulated by the Interval includes the beginning of the span but excludes the end.

Interval为半开区间，这表示由Interval封装的时间跨度包括这段时间的起始时刻，但是不包含结束时刻。

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Pritchett argues that failing to update the architecture at the end of its life span may have important implications for business.

Pritchett主张，如果没有在体系架构生命期结束的时候更新体系架构，可能会对业务有重大的影响。

youdao

The benefits for high-income taxpayers are for the most part loaded onto the back end of the law's ten-year span, and at the end of that period the whole thing vanishes in a puff of smoke.

FORBES: Mad Tax Party

At 55, Mr. Middleton is on the older end of his adventure group's age span.

WSJ: The Push for Weekend 'Epics' on the Mountain

It's important, she notes, that these tomes "speak to the four-minute attention span" so guests don't end up staying too long in the powder room.

WSJ: Spruce Up the Littlest Room for Holiday Guests