这个词是什么意思？
A family of plant viruses where the VIRION possesses an unusual morphology consisting of a pair of isometric particles. Transmission occurs via leafhoppers or whitefly. Some viruses cause economically important diseases in cultivated plants. There are four genera: Mastrevirus, Curtovirus, Topocuvirus, and BEGOMOVIRUS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D017791 · MeSH 2026。
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