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The development of anther and ovule followed the finish of the flower organ initiation. Pollen mother cells and well developed microsporagium wall occurred when the diameter of the bud reached about 3.0 mm, and the archesporial cell which played the role of megaspore mother cell formed in ovule when the diameter of the bud reached about 3.5 mm.

花药及胚珠的发育与花器官的形态发生之间有明显的连续性,当花蕾直径为3.0 mm左右时花粉母细胞及完整的花粉囊壁形成,直径达到3.5 mm左右时胚珠中出现孢原细胞的分化,它直接起大孢子母细胞的功能。

The characteristic in liquid culture of the purified strains were described, and the relation between the characteristic and the taxonomic traits was researched for the first time. The two groups of Myxobacteria differentiated according to the shape character of the myxospores and vegetative cells had different characteristic in liquid culture.

对纯化菌株的液体培养特征进行了描述,并首次依据初步分类鉴定结果探索了液体特征与分类地位之间的关系,即依据营养细胞和粘孢子形态将粘细菌划分成的两大类型中,第一类型(包括粘球菌属等7个属)的菌株在液体培养基中通常形成片状或絮状,而第二类型(包括单囊菌属等5个属)的菌株则主要呈现球形。

The Actinobacteria are distinguished by producing actinospres: entire cells encysted in thick walls to form resistant spores.

放线菌的特征是能够产生放线菌孢子,它是一种被囊的具有厚壁的完整细胞,具有一定的抵抗能力。

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The objective is to subjugate and discourage the people, because that allows the elite to continue to rule unopposed.

其目的是压制和打击人民的积极性,因为这可以让实权派继续统治不会沦为反对派。

GOD,this is the second time you vanquished me!

天啊,这是第二次你打败了我!

So a kind of strong antagonism permeated in the relations of two countries.

所以两国这一时期的政治关系始终弥漫着一种强烈的对抗情绪。