滲透壓:當(dāng)水和溶液用透析膜隔開時(shí),由于溶液含有一定數(shù)目的溶質(zhì)微粒,對水產(chǎn)生一定的吸引力,這種對水的吸引力稱為滲透壓
A.保障B.中樞紐帶C.基石D.前提
A.網(wǎng)絡(luò)規(guī)模B.資源規(guī)模C.用戶規(guī)模D.流量規(guī)模