Web浓度. concentration uk / ˌkɒn.sənˈtreɪ.ʃən/ us / ˌkɑːn.sənˈtreɪ.ʃən/ noun specialized. the exact amount of one particular substance that is found in another substance: a concentration of …
Web浓度. concentration uk / ˌkɒn.sənˈtreɪ.ʃən/ us / ˌkɑːn.sənˈtreɪ.ʃən/ noun specialized. the exact amount of one particular substance that is found in another substance: a concentration of …