种子的

Apomixis provides a unique opportunity to fix and utilize hybrid vigor. A number of research programs around the world have tried to use apomixis as an important plant-breeding tool.

无融合生殖是指不经过雌雄配子融合而产生种子的一种特殊生殖方式，能使基因型的杂合性得以保持，从而可以固定杂种优势，对作物育种具有极其重要的意义。

Apomixis allows the establishment of genetically stable seed propagating clones of crops,which can perpetuate themselves across countless sporophytic generations.

利用植物无融合生殖固定杂种优势，已被认为是一条生产杂交种子的高效途径。近年来，由于RAPD、RFLP和差异显示等技术的应用，已使植物无融合生殖的研究面貌一新。

The assimilative organs leaf is isolateral and its upper epidermis has advanced motor cells.

芦苇种群的繁殖策略主要是以根茎的营养繁殖为主，以种子的有性繁殖为辅。

The medication's active ingredient is colchicine, a complex compound derived from the dried seeds of a plant known as the autumn crocus or meadow saffron.

该药的活性成份为秋水仙碱，是一种来源于植物秋藏红花或秋水仙的干燥种子的复杂化合物。

With retro-transcription PCR method, we cloned cDNA of iron-superoxide dismutase from the seeds of camphor tree.

本文报道了关于樟树种子的铁超氧化物歧化酶基因的克隆，表达，金属离子配基置换以及高级结构模拟方面的工作。

We studied reproductive traits of this species such as phenology of capitulum, ratio of pollen to ovule, self-compatibility, pollen viability, visiting insects and germination potential of seed by experimental observation and bagging treatment in order to assess the association of these reproductive traits with invasiveness.

通过实验观察和人工控制套袋等方法，对其花序开花动态、花粉胚珠比、自交亲和性、花粉活力、访花昆虫和种子的萌发率等与繁殖相关的特征进行了研究，探讨了这些繁殖特征与入侵性的关系。

Follicle A dry dehiscent fruit formed from one carpel that splits along one edge to release its seed, for example Delphinium fruit.

蓇荚果：由单心皮形成，并沿心皮的一缝开裂释放种子的一种开裂干果。如飞燕草的果实。

To water the "seeds" of compassion and purpose in my life.

水的"种子"的同情心和宗旨，在我的生活。

Deep plowing before planting alfalfa can effectively prevent the use of horsetail, reeds, weeds such as Convolvulus arvensis hazards, but also advance the adoption of tillage-induced seed germination of weeds, through the laundry and other measures to suppress the emergence of weeds.

苜蓿播种前采用深耕能有效防止问荆、芦苇、田旋花等杂草的危害，通过翻耕还能提早诱发杂草种子的萌发，通过晾晒等措施能抑制杂草的出苗。

The purpose of salvation was to deliver this divine seed from the matter in which it was lost.

的目的是为了拯救这个神圣的提供种子的问题，其中丢失。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。