Sampling is key and base approach in freeway construction, is very important to quality control.
取样是高速公路建设过程中的基础一环，对沥青路面质量控制具有举足轻重的地位。
Sampling method is suitable for the mining to large data base.
抽样方法比较适合于对大型数据库的挖掘。
Sampling method is suitable for the mining to large data base.
抽样方法比较适合于对大型数据库的挖掘。
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