陈虎：首先，必须在前期就研究可行性。

Chen: First, a prior feasibility study is necessary.

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为课题的实施进行前期的可行性分析，并制定课题研究计划。

Analyses the feasibility of this problem task and set down the research plan.

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对预可行性研究与立项、对前期工作的程序等问题结合几个实际例子提出了看法。

Advanced feasibility research, construction project placing, schedule of earlier stage work are discussed with same instances.

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