常見例句雙語例句Central fibrovascular bundle and edge fibrovascular bundle are two relatively independent fibrovascular systems in wheat stalk.小麥莖稈內有中央維琯束和周緣維琯束兩個相對獨立的系統(tǒng)。The second and third extend internodes of the base have the largest number of central fibrovascular bundle, next to them are the first and fourth.中央維琯束數以基部第二、三伸長節(jié)間最多，第一和第四伸長節(jié)間略少； 返回 fibrovascular bundle