population sample

• 总体样本

population sample的用法和样例：

例句

1. Tentative experimental results demonstrate that the CFI sample plots are well representative of Zhejiang forest resources, and obvious systematic deviation does not exist.
   初步试验结果表明，浙江省森林资源连续清查总体样本具有较好的代表性，不存在明显的系统偏差。