Hsü-ch'ang
(arithmetic, uncountable) The process of subtracting a number from another. / (arithmetic, countable) A calculation involving subtracting. / The removal of something.
(organic chemistry, especially in combination) The univalent radical CH₂=CH-CO- derived from acrylic acid; 2-propenoyl
Alternative form of Xuchang
Not transportable.
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DiQt（ディクト）
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