selection of superior provenances

• 种源选择

selection of superior provenances的用法和样例：

例句

1. Provenances selection and afforestation technique of Fraxinus mandshurica Rupr.
   水曲柳优良种源选择及造林技术。
2. So, the cold-tolerance trait should be the key factor in Z. insignis provenance selection.The individual selection was the key to cultivate fast-growing fine varieties.
   因此，抗寒性等特异性状的选择应该成为翅荚木种源选择的重点，单株选择是培育速生良种的关键。