roots system

同根派生

英汉例句

• The root system of the apple tree grows in proportion to the top.
  苹果根系的生长与树冠生长成正比。
• At maturity the root system is extensively nodulated.
  在成熟时，根系普遍具有根瘤。
• Research Progress in the Root System of Arctium lappa L.
  牛蒡根的研究进展。
• The root system of the soybean consists of a taproot formed by the radicle.
  大豆的根系包括由胚根形成的主根。
• Root System and Ratooning Peculiarity Research of Lespedeza bicolorTurcz.
  二色胡枝子根系特性及再生特性的研究。