本文对这些品种一一进行了描述，并编制了山东海棠资源品种分类检索表。
The paper registered the characters of all the cultivars in detail and draw up a simple but practical key to classification.
本文对这些品种一一进行了描述，并编制了山东海棠资源品种分类检索表。
The paper registered the characters of all the cultivars in detail and draw up a simple but practical key to classification.
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