40年代在美国育成很多品种,可归纳为三大品系,即大花系(Grandiflora),间色系(Variegata)和重瓣系(Flora plena),另有斑叶品种。 非洲堇植株无茎,莲座叶丛生。
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这种花是普洛蒂亚花系中花朵最大的一种,具有明显的对称结构。
It has a distinctive symmetrical form with the largest flower head in the genus.
从另一方面说,Mann只不过是愿意花一点钱来换取数学多维空间系内的体育方面争执的好结果。
In other words, Mann is more than willing to donate a few pounds to a good cause in order to pursue a sporting spat in mathematical hyperspace.
出露地层为震旦系、泥盆系、二叠系、三叠系以及侵入的花岗岩脉和花岗伟晶岩脉。
Emergence stratums are of Sinian, Devonian, Permian, Trias and intrusive granite dike and coarse - grained granite dike.
And indeed, as it happens, in our department this very semester there is such a class devoted, all semester, to the topic of consciousness.
当然,这也的确是如此,我们系在这一学期,就有这么一个班,花了整整一个学期,来讨论意识问题
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