chronic time习惯时间chronicadj.长期的；慢性的；惯常的chronic microelectrode propeller慢性微电极推进器Chronic sinusitis and nasal poly慢性鼻窦炎鼻息肉chronic disease data bank system慢性病数据库系统Chronic inactive graft rejection慢性不活跃性移植物排斥Chronic pulmonary histoplasmosis慢性肺组织胞浆菌病Chronic periapieal periodontitis慢性根尖周炎chronic obstructive lung disease慢性阻塞性肺部疾病Chronic thrombocytopenic purpura慢性血小板减少性紫癜chronic periapical periodontitis[医] 慢性根尖牙周炎chronic nervous exhaustion state慢性神经衰弱状态