sample survey method

基本解释

The application of sample survey method in history research is analyzed.
方法：對項目點北碚區進行抽樣調查。
The sample survey method of trade credits was adjusted in 2009, and the outstanding of trade credits based on the new method at end-2009 was 161.7 billion USD.
2009年貿易信貸抽樣調查方法進行了調整，按新方法統計的2009年末貿易信貸餘額爲1617億美元。
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By using the method of sample survey, this paper investigated the edit situation of popup news in the three main instant messengers QQ, POPO and UC, in order to find out their character.
本文通過抽樣調查的方法，對儅前國內三大網絡即時通訊工具（騰訊QQ、網易POPO、新浪UC）彈出式新聞的編輯狀況進行比較分析，以揭示其各自的特色。