1.
Analysis of Mortality of Esophageal Cancer in 1988～2003 in Kaifeng County
开封县1988～2003年食管癌死亡分析
2.
Analysis of AIDS Prevalence in Kaifeng County from 2005 to 2008
2005～2008年开封县艾滋病流行趋势分析
3.
An Analysis on Mortality of Gastric Cancer from 1988 to 2005 in Kaifeng,Henan Province
河南省开封县1988～2005年胃癌死亡率分析
4.
A CASE-CONTROL STUDY ON RISK FACTORS OF HEPATOCELLULAR CARCINOMA IN KAIFENG COUNTRY,HENAN PROVINCE
河南省开封县肝癌危险因素的病例对照研究
5.
Study on the investigation and evaluation of arable land in reserve in Kaifeng County;
县级耕地后备资源调查评价的研究——以开封县为例
6.
An Analysis of Mortality in Female Breast Cancer and Cer-vical Cancer from 1988 to 2005 in Kaifeng County,Henan Province
河南省开封县1988～2005年女性乳腺癌、宫颈癌死亡率趋势分析
7.
Path Dependence: the Transformation Dilemma of Traditional Plantation Structure--The Example of FuJunsi Village of Kaifeng County in Henan Province;
路径依赖:传统种植业结构变迁的困境——以河南省开封县府君寺村为例
8.
Benefit the Neighbors:County Relations during the Development of Irrigation in Northern Henan Province in Ming-Qing;
“利及邻封”——明清豫北的灌溉水利开发和县际关系
9.
The Research on Application of Cape Seal at County Road in Chongqing
开普封层在重庆市县乡公路中的应用研究
10.
The Evaluation of Anti-viral Treatment in AIDS Patients in Henan Province
河南省开封市某县AIDS患者抗病毒治疗效果评价
11.
Application of fuzzy comprehensive assessment in land eco-security evaluation
基于模糊综合评判法的封开县土地生态安全评价
12.
The envelope' s seal was torn open.
信封封缄被撕开了。
13.
I broke the seal and read.
我撕开封口，开始念信。
14.
He opened the cover in which the message was enclosed.
他把密封那份电报的封套拆开。
15.
Please seal mouth of bag timely after opening ,avoiding damp.
开封后请及时封闭袋口，以防受潮。
16.
The flap of the envelope has come unstuck
这信封的口没粘牢，开了。
17.
The cover of the parcel won't tear.
这包裹的封皮撕不开。
18.
An Open Letter on Translating
谈翻译的一封公开信