Methods on the spot observation.

方法深入病区现场实验观察。

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By making on-the-spot observation, the young scientist obtained first-hand information they needed in their research work.

这些青年科学家通过现场观察，获得了研究工作所需的第一手资料。

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The moisture data of Xanthozem sloping land in Central Guizhou were obtained by on-the-spot observation to study moisture variation of Xanthozem.

为探讨黄壤水分的变异性，采用实地观测的方法，获取了贵州中部黄壤坡地水分数据。

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