Consequently, model test and dynamic loading experiment are conducted aside from carrying out field trial laying of rails and observation upon it.
为了弄清伸缩力和挠曲力的影响，除进行现场试铺、观测外，还进行了模型试验和动载试验。
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。
Inoculation test and field observation showed that Zhongcun 1 has considerably high and stable horizontal resistance to 3 strains of the virus.
接种试验及田间观察结果表明，钟村1号对3个株系病毒抗性均表现出较高水平，发病轻微，具有较强而稳定的水平抗病性。
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