方法探讨单组重复采样设计及配对重复采样设计的成本效益评价。
Methods Evaluations of cost-benefit for one group repeated sampling data and pairing design of repeated sampling have been explored.
利用土壤空间变异特性和空间分布特征进行采样设计是当前土壤采样研究的重要内容。
Sampling designing based on spatial distribution and variability of soil properties is an important issue in recent studies on soil sampling.
主要介绍CPCI 数字存储示波器模块的模拟通道设计、A/D采样设计、数字控制电路设计、电源设计以及CPCI 接口设计。
The hardware design of the module mainly presents analogue channel circuit design, A/D acquisition circuit design, digital control circuit design, power and CPCI interface design.
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