研究了在多离子作用下的不同水灰比的混凝土梁与柱的承载力随海水侵蚀循环次数的衰减变化情况。
The change is studied between the bearing capacity of beam and column of concrete with the circulation times of corrosion of sea water.
壮丽的气体柱正被星云中新生的炽热恒星发出的紫外线所侵蚀。
The great gas pillar is being eroded by the ultraviolet radiation from the hottest newborn stars in the nebula.
指向蓝色热星的象鼻状尘埃柱是辐射侵蚀效果的证据。
Elephant trunk-like dust pillars point towards the hot blue stars and are tell-tale signs of their eroding effect.
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