project optimization design 基本例句 方案设计 Among them, sampling scheme design is the key factor of effecting CFI data quality.其中，抽样方案设计是影响森林资源调查数据质量的关键因素。 Long-term commitments can become very expensive without careful program design.若没有精心的方案设计长期计划将付出昂贵的代价。