preliminary developing stage初步发展时期
preliminary-stage duration预点火阶段持续时间
preliminary design stage初步设计阶段;初设阶段
preliminary exploration stage预探阶段
preliminary heading stage抽穗始期
preliminary feasibility stage初可阶段
work in preliminary project stage项目前期工作
at the preliminary design stage初步设计阶段
preliminary stage theory初级阶段论
Through this research project to provide a reference implementation of the risk management process. In view of this project is in its preliminary stage, therefore, the reality of this study will provide some reference.
通过本文的研究,以期对该项目实施过程中的风险管理提供参考,鉴于此项目正处于前期阶段,因此,本研究将有一定的现实参考意义。
参考来源 - 青海省投资集团公司鱼卡坑口电站项目投资风险分析及对策研究However,the research and production of brominated epoxy resin in our country is still on a preliminary stage especially high molecular weight brominated epoxy resin which is almost vacant.
但是,我国溴化环氧树脂阻燃剂的研发与生产仍处于初步阶段,特别是高分子量溴化环氧树脂基本属于空白。
参考来源 - 溴化环氧树脂的合成与性能研究