For guidance of construction and assurance of quality of soil compaction, a study was performed on the test method for the maximum dry density.
为指导施工和控制填土质量，研究了最大干密度试验方法。
According to the principle of laser terminal guidance, some important performances of laser radiation indicator are analyzed and the numeralization test method is introduced.
根据激光末端制导的工作原理，分析了激光照射指示器的性能指标，提出了各性能指标的数字化检测方法。
According to the principle of laser terminal guidance, some important performances of laser radiation indicator are analyzed and the numeralization test method is introduced.
根据激光末端制导的工作原理，分析了激光照射指示器的性能指标，提出了各性能指标的数字化检测方法。
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