We analyzed more than 60 examples from our 20 years stress and strain data that coincide with earthquakes in Hebei province and its adjacent area with statistics.
从我省应力应变台站2 0多年的资料中，选取对应河北省及其邻近地区中强以上地震的60多个实例进行了统计分析。
Objective To evaluate the sensitivity of cell lines to poliovirus used in Hebei Provincial Polio Laboratory (HBPPL) and to prepare standard strain under the Quality Control (QC) of HBPPL.
目的评价河北省疾病预防控制中心脊髓灰质炎（脊灰）实验室所用细胞系对脊灰病毒的敏感性，制备河北省脊灰实验室质量控制的标准毒株（QC）。
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