The time boundary and cause of transition were analyzed and discussed.

分析、讨论了不同活动阶段的时间界限和转变原因。

youdao

The plumes apparently originate at great depths, perhaps as deep as the boundary between the core and the mantle, and many have been active for a very long time.

这些地幔柱显然起源于很深的地方，可能深至地核和地幔之间的边界，而且许多都已经活跃了很长时间。

youdao

The SPU actually loads two instructions at a time from a doubleword-aligned boundary.

SPU 实际上会从一个双字对齐的边界开始一次加载两条指令。

youdao

I mean a blanket term, a guiding concept, a transcendental signified, something that explains the nature of the structure and something also, as Derrida says, which allows for limited free play within the structure; but at the same time the structure has this kind of boundary nature.

是一个概括性称呼，一个引领概念，一个超验所指，它解释了这个结构的内涵，正如德里达所说，它允许在结构内有限的自由游戏;,但同时这个结构也有限性。

耶鲁公开课 - 文学理论导论课程节选

Once upon a time the Lib Dems supported boundary changes.

BBC: Seats dispute goes beyond a boundary

There was no commitment to introduce the boundary changes in time for the 2015 election, Mr Clegg argued, and the Lib Dems as a whole would not support their introduction before then in any future vote.

BBC: UK Politics

The upshot is that pairs of virtual phonons are appearing and disappearing all the time, and if one gets trapped inside a supersonic boundary, the other should be released into the wider world to make a noise.

ECONOMIST: Black holes on a desktop: Dumb insolence | The