The paper is at the first phase of exploring into the theory.

本研究尚处在理论初探阶段。

youdao

The ancient poetic tragedy theory arose at the first phase. Poetics is its theoretic framework, and drama tragedy its object studied.

第一是古代的诗学悲剧理论阶段，诗学是其理论框架，戏剧悲剧是其研究对象。

youdao

The first phase of the Kyoto Protocol expires in 2012 and the current talks are aimed at setting in place new legally binding emissions targets for the decade to come.

VOA: standard.2009.11.04

But Defence Secretary Mr Hammond said he rejected the idea that people had been treated unfairly and said the committee had only looked at the first phase of redundancies - in which enough civil servants had volunteered that the MoD had not had to resort to compulsory job losses.

BBC: MPs brand compulsory armed forces job cuts 'grotesque'

The first factor at play is that we are in the first phase of this operation.

WHITEHOUSE: Press Briefing

Among the early potential renters looking at apartments at Mercedes House are renters who already live in the first phase of the development, looking to move into the brand-new building instead.

WSJ: Well-Heeled Renters Find Tight Market