A.采用雙對(duì)數(shù)坐標(biāo)后選擇曲線(xiàn)圖中出現(xiàn)的三組等值線(xiàn)
B.最小機(jī)號(hào)到最大機(jī)號(hào)所對(duì)應(yīng)的較大流量范圍在取對(duì)數(shù)后可以在較小的尺寸上呈現(xiàn)
C.最小機(jī)號(hào)到最大機(jī)號(hào)所對(duì)應(yīng)的較大全壓范圍在取對(duì)數(shù)后可以在較小的尺寸上呈現(xiàn)
D.對(duì)數(shù)坐標(biāo)下繪制的曲線(xiàn)比較平坦、清晰