pilot studies meaning in English

扩大试验研究
探索研究

Classification of chinese medical specialty : a pilot study
我国专科医师分类研究初探
Team - based mentoring program : pilot study on the private enterprise
某民营企业试点研究
Pilot study of the establishment of equipment material supply chain
装备物资供应链构建初探
Pilot studies on ni zn diffusion dissolve layer
扩散溶解层的初步研究
A pilot study on gamda dam site engineering geological condition
安达坝址工程地质条件的初步研究

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