Theactive study phase lasted 36 weeks, followed by one year ofpassive follow-up.

积极研究阶段持续了36周，以后是为期1年的跟踪研究。

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The project will begin with a study phase, followed by an Engineering Procurement and Construction (EPC) phase.

该项目将先从研究阶段开始，接着是工程采购和建设（EPC） 阶段。

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Heterogeneity may have been due to differences in selection of participants, and to differing exposures to lithium in the pre-study phase resulting in variable influence of a discontinuation effect.

异质性可能是因为受试者选择不同的差异或是研究前对锂盐暴露的不同，导致了终止效应的不同影响。

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It will use off-the-shelf components. (8) The reactor is in the study phase.

ECONOMIST: The prospects

Cartwright has described that system, now entering its second study phase, as a key component in transforming the aging Cold War nuclear weapons stockpile.

CENTERFORSECURITYPOLICY: STRATCOM: Safe, reliable deterrence critical

The field of study investigating the coming phase shift is known as Complex Adaptive Systems.

FORBES: The Great Disruption Or The Big Shift?