A.中性粒細(xì)胞占白細(xì)胞40%~60% B.中性粒細(xì)胞減少是絕對(duì)值<3.0×109/L C.中性粒細(xì)胞缺乏是絕對(duì)值<0.5×109/L D.中等程度中性粒細(xì)胞減少是絕對(duì)值<(1.5~2.0)×109/L E.中性粒細(xì)胞分葉過(guò)多是核左移
A.出發(fā)點(diǎn)B.維持點(diǎn)C.立足點(diǎn)D.基礎(chǔ)點(diǎn)
A.機(jī)床、夾具、刀具的制造誤差B.定位誤差C.內(nèi)應(yīng)力引起的變形誤差D.刀具未達(dá)到熱平衡時(shí)的熱變形誤差