Various methods such as geologic exploration, velocity and seismic BSR are used to study and predict the gas hydrate deposits in Baiyun sag of the Pearl River Mouth Basin.
针对珠江口盆地白云凹陷，应用地质勘探法、速度法及地震似海底反射（BSR）法对该凹陷的天然气水合物沉积进行了预测研究。
Methods: From March 2003 through March 2006, 264 patients with ACST, 40 cases were randomly selected to perform emergent open bile duct exploration and T-tube drainage for case-control study.
方法：病例选择自2003年3月至2006年3月间我科收治的ACST患者264例，在本研究初期随机选取40例胆总管结石致acst的患者入院后行急诊开腹胆总管探查、T管引流术，作为手术对照组。
Methods: From March 2003 through March 2006, 264 patients with ACST, 40 cases were randomly selected to perform emergent open bile duct exploration and T-tube drainage for case-control study.
方法：病例选择自2003年3月至2006年3月间我科收治的ACST患者264例，在本研究初期随机选取40例胆总管结石致acst的患者入院后行急诊开腹胆总管探查、T管引流术，作为手术对照组。
应用推荐