The expense for the field acquisition of seismic data, i. e. the direct cost in the budget of the seismic engineering, accounts for about 80% of the whole engineering cost of seismic exploration.

在四川盆地的地震勘探工程中，地震资料野外采集施工费用，即地震工程预算中的直接工程费，占整个地震勘探工程成本的80%左右。

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The article makes the positive exploration from the goal, scope, method, and index design, and posits basic idea and approach for evaluation on benefit of governmental public expense.

从公共支出效益评价的目标、范围、方法及指标设计上进行积极探索，提出公共支出效益评价的基本思路和方法。

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