The British Rail Class 02 are a class of twenty 0-4-0 diesel-hydraulic shunting locomotives built by the Yorkshire Engine Company in 1960 (first ten, D2850-D2859) and 1961 (D2860–D2869) for service in areas of restricted loading gauge and curvature such as docks. [1] .

2020年9月17日 · CLASS02研究是中国腹腔镜胃肠外科研究（CLASS）小组开展的前瞻性、多中心、开放标签、非优劣性、随机试验，其 结果显示，对于临床Ⅰ期胃癌，由经验丰富的外科医生实施的腹腔镜全胃切除术（LTG）联合淋巴结清扫与开腹全胃切除术（OTG）的安全性相当。 LTG和OTG术后30天内的总发病率和死亡率没有显著差异，两组的术中和术后并发症发生率也没有显著差异。 胃癌是全球第五大最常见的癌症和第三大最常见的癌症死亡原因。 与美国和其他国家相 …

Class 02 may refer to: British Rail Class 02, a class of post-war, British diesel-hydraulic locomotive designed for shunting duties; DRG Class 02, a class of German, standard steam locomotive with a four-cylinder compound configuration

2020年10月1日 · Design, setting, and participants: The Chinese Laparoscopic Gastrointestinal Surgery Study (CLASS) Group CLASS02 study was a prospective, multicenter, open-label, noninferiority, randomized clinical trial that compared the safety of LTG vs OTG with lymphadenectomy for patients with clinical stage I gastric cancer. From January 2017 to …

2020年1月22日 · 其中class-02研究已顺利完成[9]，该研究为比较腹腔镜和开腹全胃切除手术治疗中上部早期胃癌的前瞻性多中心随机对照研究，主要研究终点为手术后并发症，以期评价腹腔镜全胃切除的安全性、可行性，已完成研究数据分析，结果值得期待。

The British Rail Class 02 were a class of twenty 0-4-0 diesel-hydraulic shunting locomotives. They were built by the Yorkshire Engine Company in 1960 (first ten, D2850-D2859) and 1961 (D2860-D2869). They were built for use in places of restricted loading gauge and curves such as docks.

2019年5月13日 · class-02研究完成入组将为后续的腹腔镜全胃切除术的有效性Ⅲ期临床研究（class-02.2）奠定基础。 CLASS系列研究将助力中国高质量临床研究数据的发布和外科技术创新。

The CLASS-02 trial was launched to compare laparoscopic total gastrectomy with open surgery for patients with advanced cancer in the upper body of the stomach. 33 Also, none of the patients received neoadjuvant therapy, which is typically recommended in Western countries and could affect surgical outcomes. The CLASS-03 trial is therefore being ...

The British Railways Class 02 were a class of twenty 0-4-0 diesel-hydraulic shunting locomotives built by the Yorkshire Engine Company in 1960 (first ten, D2850-D2859) and 1961 (D2860-D2869) for service in areas of restricted loading gauge and curvature such as docks. They had the door to the cab at the rear, with a railed veranda behind the cab; this feature was very unusual on British Rail ...

The British Rail Class 02 were a class of twenty 0-4-0 diesel-hydraulic shunting locomotives. They were built by the Yorkshire Engine Company in 1960 (first ten, D2850-D2859) and 1961 (D2860-D2869). They were built for use in places of restricted loading gauge and curves such as docks.