高原中体积混凝土的裂缝控制是目前国内外工程界面临的新课题。
Control of crack on mass concrete in plateau is a new problem to be studied.
也就是说，对既有结构进行可靠性评定已成为我国工程界面临的一项重要任务。
In other words, the reliability evaluation of existing structure has already become an important task which our engineering circle is facing.
目前，由于腐蚀造成钢筋混凝土结构耐久性退化已成为当今土木工程界面临的一大灾害，引起人们的普遍关注，成为研究的一大热点。
Presently, durability degeneration of reinforced concrete structure has become a disaster to our civil engineering because of corrosion. It arouses attentions and becomes a hotspot.
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