The thickness detection of pavement structural layers is an important job for road quality control, the traditional core sampling method can't satisfy the demand of accuracy detect.
路面结构层厚度检测是道路质量控制的重要工作，传统的钻心取样法已远远不能满足精确检测的要求。
A method for sampling core collection from crop germplasm was proposed.
本文提出了基于基因型值构建作物种质资源核心库的抽样方法。
The central sampling drilling is a new method which has the characteristics of efficient, accurate sampling and high percentage recovery of Core.
中心取样钻探是一种全新的钻探方法，具有效率快、取样准确、岩样采取率高的特点。
应用推荐