目的观察视神经轴索损伤早期郎飞结超微结构的变化，并探讨其在延迟性轴索中断中的作用。
Objective to document the ultrastructural changes of node of Ranvier in early stage of axonal injury of optic nerve and explore the significance of the changes of node in delayed axotomy.
烟气中的飞灰既在液相膜表面结壳，阻碍石灰石的溶解，又影响脱硫系统含尘量排放指标，降低石膏品质。
Fly ash in flue gas not only crusts on the surface, stopping the dissolving of limestone, but also affects the dust discharge index, reducing the quality of gypsum.
样子结群，鹰独飞，鸭子和鹰。
Ducks flock. Eagles fly alone. Ducks and eagles never mingle.
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