这个词是什么意思？
A family of DNA plant viruses with isometric or bacilliform virions and no envelope. The host ranges of most species are narrow. There are six genera: CAULIMOVIRUS; BADNAVIRUS; Cavemovirus; Soymovirus; Petuvirus; and TUNGROVIRUS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D052639 · MeSH 2026。
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