食材铺反向词典

systematic sampling

S 开头单词

常见例句

    双语例句

  • The efficiency of regression estimate was usually higher than systematic sampling.
    通常情况下，回归估计的效率高于系统抽样。
  • The current nutrient status of crops can now be determined through the systematic sampling of plants as appropriate times.
    作物当时的营养状况，可在适当时期对植物的系统采样进行营养分析。
  • METHODS The systematic sampling methods were used. 4 107 residents were investigated by questionnaires and some blood indexes were examined.
    方法采用系统抽样方法，对社区4 107位居民实施问卷调查和相关指标的检测。
    • 返回 systematic sampling