qualitatively
(ad.)品質上
Qual·i·ta·tive a. Relating to quality; having the character of quality. -- Qual*i*ta*tive*ly, adv.
Qualitative analysis Chem., analysis which merely determines the constituents of a substance without any regard to the quantity of each ingredient; -- contrasted with quantitative analysis.
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qualitatively
adv : in a qualitative manner; "this discoloration qualitatively
suggests that the substance is low in inorganic iron"