The paper offered formula for widening the curve railway, concluded theoretic widening radius of curve railway and widening value, which offers reference for platelayer.
本文给出了曲线计算式,得出了曲线理论半径范围和,可以被养路工段借鉴。
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He became rather distinguished in his side of the county as a theoretic and practical farmer, and produced a work on the " Cultivation of Green Crops and the Economy of Cattle-Feeding" which won him high congratulations at agricultural meetings.
他在县颇有名气,是一位既有理论又有实干的农民,他所著的《青菜栽培与畜牧经济》一书,在农业会议上受到高度祝贺。