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tally system 〔英國〕分期付款賒銷法。

tally trade

Category systems are its techniques to gather data , and it has three forms : coding system , tally system or checklist and rating scale . they all produce some numbers as the form of the data the data are analyzed by the way of statistics . in the last part , the article talks about the qualitative observation 記錄課堂信息的方式主要有三種:編碼體系、記號體系核查清單以及等級量表,通過這些結構化的體系所記錄的信息多以數字的形式呈現,而這些數據資料進行分析的方法有簡單的計算,也有較為復雜的統計分析方法。

On silk - permission tally system 淺析絲割符制度