Comstock–Needham system

The Comstock–Needham system is a naming system for insect wing veins, devised by John Comstock and George Needham in 1898. It was an important step in showing the homology of all insect wings. This system was based on Needham's pretracheation theory that was later discredited by Frederic Charles Fraser in 1938.

单词	subcosta
释义	subcosta /sʌb'kɔstə/ 英汉-汉英词典 n. 亚前缘脉词组 \| 习惯用语您要查找的是不是： substance n. 实质；物质；财产；内容；重要性 subcompact n. 超小型汽车 substrata n. 底土,下层土壤地基 Uzbekistan n. 乌兹别克斯坦英语百科 Comstock–Needham system The Comstock–Needham system is a naming system for insect wing veins, devised by John Comstock and George Needham in 1898. It was an important step in showing the homology of all insect wings. This system was based on Needham's pretracheation theory that was later discredited by Frederic Charles Fraser in 1938.
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subcosta /sʌb'kɔstə/

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Comstock–Needham system