He also did pioneer work in the field of weather observation.
他在气象领域也做了许多开拓性工作。
Additionally, taxonomic revisions were presented for some species based on field observation and herbarium work.
此外，根据野外考察和标本馆工作，对几个明显的分类学问题进行了订正。
On the basis of field work, by means of observation of microscope and analysis of electron probe, this paper researches main sulfide minerals of the deposit at great length.
在野外调查基础上，通过显微镜下观察及电子探针分析，对矿区主要金属硫化物进行了细致研究。
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