Objective: To analyze some epidemiological characteristics of preterm birth.
目的：探讨早产分娩的部分流行病学特征。
Objective To detect epidemiological characteristics of aging macular degeneration (AMD).
目的探讨老年性黄斑变性(amd)的流行病学特征。
Objective To study epidemiological characteristics of health risk behaviors among medical students.
目的了解医学生危害健康行为的流行病学特征。
Objective To explore the clinical epidemiological characteristics of gastrointestinal STM - mal tumor.
目的探讨胃肠道间质瘤的临床流行病学特征。
Objective: To ascertain epidemiological characteristics of health risk behaviors among college students.
目的：了解大学生危害健康行为的流行病学特征。
The epidemiological characteristics of cases with fever to be observed was basically different from SARS.
本组资料中留观病人流行病学特征与SARS基本不相符合。
To explore epidemiological characteristics and take measures to control malaria epidemic in southern Fujian.
探索闽南地区疟疾流行特征和规律，总结干预措施控制疟疾流行的效果及经验。
Objective To understand the trends and epidemiological characteristics of bacterial foodborne disease outbreaks.
目的了解我国细菌性食源性疾病暴发的发生趋势、流行特征。
The epidemiological characteristics of nonfatal accidental injuries among children aged 1 to 14 was investigated.
探索1～14岁儿童非致死性意外伤害的流行病学特征。
Objective To survey the epidemiological characteristics of pulmonary acariasis in population of different occupations.
目的调查不同行业人群中肺螨病的流行特征。
To control rubella, the epidemiological characteristics and control measures of rubella in Anhui Province were analyzed.
为控制风疹发病，对安徽省风疹流行病学特征和拟采取的控制对策进行了分析。
To study the epidemiological characteristics of health risk behaviors among college students and the influential factors.
了解大学生危害健康行为的流行病学特征及影响因素。
To investigate the epidemiological characteristics of the high incidence of occupational lung cancer in Yunnan tin miners.
分析云南锡矿工人职业性肺癌的流行特征，为预防与控制其高发提供科学依据。
Recently, bacterial infectious diseases in cattle appear growing tendency and show some new epidemiological characteristics.
近年来，牛的细菌性传染病呈现出抬头趋势，并显示出一些新的流行特点。
Objective to explore the epidemiological characteristics and risk factors of acute diarrheal disease during a filed exercise.
目的对野外驻训期间我军腹泻病的流行特征及危险因素进行初步研究。
Objective To understand the epidemiological characteristics of essential hypertension in the northern and western areas of China.
目的了解中国西北地区原发性高血压患者的流行病学特征。
This review therefore focuses on analyzing the epidemiological characteristics of hepatitis to provide better control strategies.
分析各型病毒性肝炎的流行体征，提出防治策略和建议。
[Objective] To investigate the epidemiological characteristics of the high incidence of occupational lung cancer in Yunnan tin miners.
[目的]分析云南锡矿工人职业性肺癌的流行特征，为预防与控制其高发提供科学依据。
Objective To investigate the clinical and epidemiological characteristics of cysticercosis for the prevention and control of the disease.
目的探讨囊尾蚴病临床和流行病学特点，为预防和控制该病提供依据。
To analyze the epidemiological characteristics of hand-foot-mouth disease in Nanning City, and provide scientific evidence for control measures.
目的对南宁市手足口病进行流行病学特征分析，为防治措施提供科学依据。
Objective to understand the epidemiological characteristics of health risk behaviors of middle school students and to explore their risk factors.
目的了解中学生危害健康行为的流行特征并探讨其相关因素。
Objective To determine the epidemiological characteristics and clinical significance of HGV infection, and to compare with HBV and HCV infections.
目的了解庚型肝炎病毒（HGV）感染在人群中的流行病学特点及临床意义，并比较与乙型肝炎病毒（HBV）、丙型肝炎病毒（HCV）感染的异同。
Objective to investigate the epidemiological characteristics and drug resistance profile of the infection in patients with hematological malignancies.
目的了解血液肿瘤合并感染病原菌分布的特点及耐药性变化。
Objective to investigate the psychological characteristics of menopausal women with diabetes in epidemiological characteristics and influencing factors.
目的探讨更年期女性糖尿病患者心理特点的流行病学特征及影响因素。
ObjectiveTo investigate epidemiological characteristics of hypothyroidism and factors influencing its outcome in the areas with different iodine intakes.
研究不同碘营养状态社区的甲状腺功能减退症（甲减）的流行病学特点和影响其发生及转归的因素。
The case study, time of onset, vaccination history, initial conditions, the epidemic reporting analysis, there is a corresponding epidemiological characteristics.
经个案调查，发病时间、接种史、初诊情况、疫情报告等分析，有相应的流行病学特点。
Objective to know the relevant factors and epidemiological characteristics of hepatitis a epidemic in school and to put forward the preventive intervention measures.
目的了解甲型病毒性肝炎在学校流行的相关因素和流行病学特点，提出防控干预措施。
Objective to know the relevant factors and epidemiological characteristics of hepatitis a epidemic in school and to put forward the preventive intervention measures.
目的了解甲型病毒性肝炎在学校流行的相关因素和流行病学特点，提出防控干预措施。
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