无性阶段: asexual stageimperfect phaseimperfect stageimperfect state
Example Sentences:
1.
Its use is limited to the preservation of breeding material or the establishment of clonal seed orchards . 其用途仅限于保持育种材料或建立无性系种子园。
2.
Distribution of cones in the crown and the ratio of pollen to ovule in seed orchard of cunninghamia lenceolata hook located at chongyang 崇阳杉木无性系种子园球花在树冠中的分布及其配子产量研究
