field observation test

基本解释

The genetic variation of paulownias natural stem-join characters was studied by means of field observation, field test and statistical analysis.
运用野外观察、田间试验和统计分析的方法研究泡桐自然接干性状的遗传变异规律。
According to the field observation, model test and theoretical analysis, the schemes for anti-icing method of ship lock gate are put forward in this paper.
文章通过现场观测、模型试验、理论分析等手段和方法对该问题进行了初步研究探讨，提出了船闸闸门的防冻防冰措施方案。
By field observation and simulating test of shallow seam longwall mining, the phenomenon of main roof asymmetry breaking is discovered during the first weighting.
依据典型浅埋煤层工作面的实测和模拟，发现了采场老顶初次破断的非对称现象。