热恒星的紫外辐射使星云发光。
Ultraviolet radiation from the hot star powers the nebular glow.
萤火虫发光但不放出热。
评述了含钼的发光材料、仿金合金、热致收缩化合物、自润滑材料在我国的研究新进展。
Some new progress of research on molybdenum containing new material in China were reviewed.
评述了含钼的发光材料、仿金合金、热致收缩化合物、自润滑材料在我国的研究新进展。
Some new progress of research on molybdenum containing new material in China were reviewed.
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