常見例句雙語例句Causes of the seed dormancy of 3 species of Calligonum were analysed.對三種沙拐棗種子的休眠原因進行了分析。The results showed: the major causes were obstacle of seed vessel, seed embryo dormancy and post-maturation;結(jié)果表明，引起砂梨種子休眠的主要有種皮障礙、種胚休眠和種胚后熟； 返回 causes of seed dormancy