n.慢性
長期性.
The severity and the chronicity of the slips were graded. 并對滑脫的嚴(yán)重性和慢性化程度進(jìn)行了分級。
Therefore, therapy should not be limited to the patients in lower stages of chronicity. 因此,治療不應(yīng)該僅僅局限于慢性較低程度的患者身上。
n.同步性;同時發(fā)生