The development of step-pool system plays an important role in stream ecology.

山区河流发育的阶梯—深潭系统具有显著的生态学作用。

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The paper mostly includes the research development of STEP-NC information picking up system based on SDAI, the system is prepared for developing the STEP-NC system.

本文主要研究和开发了基于SDAI的STEP-NC信息提取系统，为开发STEP-NC数控系统提供了前提和基础。

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This second step in the development of a full sense of self is what James called the "self-as-object".

发展完整自我意识的第二步就是詹姆斯所说的“自我即客体”。

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U.S.President Barack Obama has already outlined Washington's new strategy, to deal strategically with Afghanistan and Pakistan together, to focus on both military and civilian development efforts and to step up diplomacy by bringing in neighboring countries as part of the solution.

VOA: standard.2009.04.03

I think for me an MBA was the next, sort of logical step in my professional development.

从逻辑上来说，读MBA会是我职业发展的下一步计划。

已经成经济学学徒了 - SpeakingMax英语口语达人

With Plug Power, he mentioned, Honda is testing a home fueling unit that can generate hydrogen from natural gas, an important step in development of hydrogen fuel cell vehicles.

FORBES

With Plug Power (nasdaq: PLUG - news - people ), he mentioned, Honda is testing a home fueling unit that can generate hydrogen from natural gas, an important step in development of hydrogen fuel cell vehicles.

FORBES: Natural Gas: Booming In The Beltway

The new report represents an important first step towards the development of that detailed strategy.

WHITEHOUSE: Office of Science and Technology Policy Blog