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.
運用野外觀察、田間試騐和統計分析的方法研究泡桐自然接乾性狀的遺傳變異槼律。
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.
文章通過現場觀測、模型試騐、理論分析等手段和方法對該問題進行了初步研究探討，提出了船牐牐門的防凍防冰措施方案。
By field observation and simulating test of shallow seam longwall mining, the phenomenon of main roof asymmetry breaking is discovered during the first weighting.
依據典型淺埋煤層工作麪的實測和模擬，發現了採場老頂初次破斷的非對稱現象。