The assessment unit of appearance defect was revised from per meter to per square meter;
将外观疵点的评分限度由每米评分方法改每平方米评分方法；
For the existing product, such defects as the appearance defect and strength being not enough can be solved by using CAE technology.
对于已有的产品，CAE技术可以解决外观及强度不足等问题。
The paper analyses the reason why the appearance defect of concrete structure appears, and puts forward the corresponding precaution and treatment in construction.
分析了混凝土结构外观缺陷产生的原因，提出了相应的施工预防措施及处理方法。
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