These episodes of rapid evolution are separated by relatively long static spans during which a species may hardly change at all.
这些快速进化的阶段被相对较长的静态跨度分隔开来,在此期间,一个物种几乎不会发生任何变化。
Progress was rapid-only eight years separated Gagarin's flight from the infinitely more complicated mission that put Neil Armstrong and Buzz Aldrin on the surface of the moon.
进步是飞快的,加加林飞行仅八年后,人类完成了更复杂的行动,将宇航员尼尔·阿姆斯特朗和巴兹奥尔德林送达月球表面。
Through amending experimental scheme, using the coordinated effect of surfactant, adding a small quantity of positive ion surfactant, the separated efficiency was rapid improved.
通过改进实验方案,利用表面活性剂的协同效应,用加入少量阳离子表面活性剂的办法,大大提高了分离效率。
Through amending experimental scheme, using the coordinated effect of surfactant, adding a small quantity of positive ion surfactant, the separated efficiency was rapid improved.
通过改进实验方案,利用表面活性剂的协同效应,用加入少量阳离子表面活性剂的办法,大大提高了分离效率。
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