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Inorganic chemicals
A broad class of substances encompassing all those that do not include carbon and its derivatives as their principal elements, yet not excluding carbides, carbonates, cyanides, cyanates, and carbon disulfide.
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Inorganic chemicals > 
資料清洗
Software; Operating systems
分析資料的過程的一部分，尤其是當資料來自多個源。過程必須解決錯誤，例如不正確的拼寫，不同的標記相同的資訊，不一致的方式欄位長度，缺少的值，並相互衝突的資料，例如，有兩個部分編號對於相同的部分。 ...
