取样时间 meaning in Chinese

sampling time

3 weeks is too long for sampling . please try to finish all within 10 - 12 days maximum
3周的取样时间太长了。最多在10 12天里完成所有的工作。
Abstract : in this paper ， we make a study on sampling interval revision of atmospheric diffusion parameter in concentration prediction of atmospheric environmental impact assessment
文摘:就大气环境影响评价浓度预测中，对大气扩散参数取样时间订正问题进行了说明和讨论。