脱谷时期
Therefore, for a long time its economy was in a primitive and backward state. Wooden plows were used for agricultural production and yaks were used for threshing. In some places the slash-and-burn method of farming was common.
农业生产基本上为木犁耕地、牦牛踩场脱粒,有的地方还保持着刀耕火种的生产方式。
Under indoor and outdoor dry condition and with threshing time delaying, rapeseed dry weigh that harvested at the same time was gradually increasing.
两者比较而言,在同一时期收获的材料,随着脱粒时间的推迟,种子干重逐渐增大,并表现室内条件下的干重始终高于室外条件下。
Once I went alone for a visit of some days at threshing time.
有一次我在脱粒时节到那里逗留了几天。
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