英语人>网络例句>monoecious 相关的网络例句
monoecious相关的网络例句

查询词典 monoecious

与 monoecious 相关的网络例句 [注:此内容来源于网络,仅供参考]

Generally dioecious figs have greater adaptive capacity than monoecious ones and can exist in higher seasonal environment.

因此,中国榕属植物的资料对从大地理尺度研究种和种间协同进化具有重要的参考价值。

Herbs, shrubs, or small trees, sometimes monoecious or dioecious.

草本,灌木,或者小乔木,有时雌雄同株或者雌雄异株。

Dioecious monoecious, reproductive structures axillary, solitary. Pollen cones pedicellate, globose, with overlapping bracts at base; microsporophylls 6-14, shield-shaped, each with 4-9 radially arranged pollen sacs. Seed-bearing structures subsessile, with several overlapping bracts basically. Ovule erected, entrusted with disc-like embryophore. After fertilization, embryophore developed into fleshy, cup-like and red aril.

雌雄异株,球花单生于叶腋,有短柄;雄球花圆球形,基部覆瓦状排列的苞片,雄蕊6-14枚,盾状,花药4-9丝,辐射状排列;雌球花几乎无柄,基部有多数覆瓦状排列的苞片,胚珠直立,基部托以圆盘状的珠托,受精后珠托发育成肉质、杯状、红色的假种皮。

Large trees, often buttressed, not epiphytic; monoecious or some species dioecious.

大的乔木,通常具板根,并非附生的;雌雄同株或一些种雌雄异株。

Recent results indicate that (1) Oryzeae is monophyletic and falls into two main clades corresponding to the traditionally recognized subtribes;(2) Close affinities of the monoecious genera are not supported, suggesting the multiple origins of unisexual florets;(3) Previous recognition of three monotypic genera (Hydrochloa, Porteresia and Prosphytochloa) is not justified;(4) Based on dating using molecular clock approach, it is estimated that Oryza and Leersia branched off from the remaining genera of Oryzeae -20 million years ago, and separated from each other -14 MYA.

目前已有的研究结果表明:稻族是单系类群,可分为两个主要分支,相当于传统的两个亚族(Zizaniinae和Oryzinae),但稻族单性花小穗是多次起源的,不宜作为划分亚族的依据;一些单型属(Hydrochloa、Porteresia和Prosphytochloa)的建立得不到分子证据的支持;根据分子钟原理估计稻族两个主要分支的分歧时间在大约2000万年前,而稻属和近缘属假稻属Leersia的分歧时间为1400万年:稻属内主要类群的分歧时间在900万年前左右。

Monoecious or dioecious. Winter bud scales many, in several whorls; outer scales imbricate, usually short and broad; inner scales longer than outer ones, ligulate to straplike.

雌雄同株或异株冬芽鳞片很多,数轮;外部鳞片覆瓦状,通常短和宽的;内部鳞片长于外部的,舌状到带状。

Flowers monochlamydeous, bisexual or unisexual (plants monoecious or dioecious, rarely polygamous); bracteate or ebracteate.

单被花,两性或者单性(雌雄同体或者雌雄异体,很少杂性;具苞片或者无苞片。

One factor within the crown of monoecious species is the proximity of male and female flowers.

雌雄同株树种的树冠内的一个因素,就是雄花和雌花很接近。

So, the monoecious become to an important goal for melon breeding.

因此,培育雌雄异花同株材料,成为重要的育种目标之一。

Plants monoecious. Stem few branched, to 200 cm.

雌雄同株;很少的茎枝,令200 厘米。

第4/7页 首页 < 1 2 3 4 5 6 7 > 尾页
推荐网络例句

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。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。