1)ethnic derivation,种族来源2)cultivar origin,品种来源3)seed source,种子来源4)original tree species,来源树种5)Germplasm origin,种质来源6)source of seedling,种苗来源
用法例句
This article summarizes the cultivar origin and performance of Taoyuan chicks,and making a preliminary analysis on utilization approaches and developing prospects to Taoyuan chicks.
作者综述了桃源鸡的品种来源及生产性能,并初步分析了桃源鸡的开发途径和开发前景。
Effects of sowing depth and seed source on seedling emergence of Leymus chinensis;
