1.
A specially celebrated anniversary, especially a50th anniversary.
周年纪念具有特殊庆祝意义的周年纪念，尤指50周年纪念
2.
We remembered the 50th anniversary of the liberation of Auschwitz; Remember the dead of the First World War.
我们纪念Auschwitz解放50周年；纪念死于一战的人。
3.
Commemoration of the 50th Anniversary of the Scheme for Chinese Phonetic Alphabet;
纪念《汉语拼音方案》颁布50周年
4.
The Resplendent 50 Years--Memorializing for the 50 Years of IC Invention;
辉煌的五十年——纪念集成电路发明50周年
5.
Splendent Fifty Years of Geologic Works--Memorializing the Semicentennial for Fujian Bureau of Geology and Mineral Exploration and Exploitation;
地质工作辉煌的50年——纪念福建省地质矿产勘查开发局建局50周年
6.
Retrospect and Looking Ahead in 50 Years Work of Popularizing Putonghua--Commemorate the 50th Anniversary of Popularizing Putonghua;
推普工作50年历程回顾与今后展望——纪念推广普通话工作50周年
7.
CELEBRATION OF THE 50TH ANNIVERSARY OF THE PUBLICATION OF《INDIA AHD BURMA》 WRITTEN BY COMRADE HUANG JUE MING
纪念黄觉民同志《印度和缅甸》出版50周年
8.
Courses of Courageous Advance-In Commemoration of the 50th Anniversary of the Founding of China Academy of Railway Science (CARS)
奋进的历程——纪念铁道部科学研究院建院50周年
9.
Review and Prospect of Well Logging--Commemorating the 50th Anniversary of Chinese Well Logging
测井的回顾与展望——纪念我国测井诞生50周年
10.
Commemorating the 50th Anniversary of the Death of Mr Ma Heng;
厥功甚伟 其德永馨——纪念马衡先生逝世50周年
11.
The Great Reform Movement in Tibet
雪域高原的伟大变革——纪念西藏民主改革50周年
12.
What is Film Theory: Commemorating the 90~(th) Anniversary of André Bazin s Birth and his 50th Death Anniversary;
电影理论是什么?——纪念安德烈·巴赞诞辰90周年和逝世50周年
13.
Wang Tongzhao s Education Career in Qingdao--Commemorating the 110th Anniversary of Wang s Birth & the 50th Anniversary of His Death;
王统照在青岛的教育工作历程——纪念王统照诞辰110周年、逝世50周年
14.
Carry Forward Traditions to Enlighten the Future--Commemorating the 110th Anniversary of the Founding of XJTU and 50th Anniversary of Its Move;
弘扬传统 启迪未来——纪念西安交通大学建校110周年暨迁校50周年
15.
A100th anniversary or a celebration of it.
百周年纪念百周年纪念或百周年庆祝
16.
The Greatest Diplomacy Theory in the Twentieth Century-For Commemorating the 50th Anniversary of the Peaceful Coexistence Theory;
20世纪最伟大的外交理论——纪念“和平共处”理论问世50周年
17.
On the Main characteristics and the Singnificanceof the contitution 1954--In commemoration of the 50th Anniversary of the Enactment of the 1954s constitution;
1954年宪法的主要特点与宪政意义——纪念1954年宪法颁布50周年
18.
Witnessing the Research Journal of Cyclical Economic Fluctuation in China;
见证中国经济周期波动研究历程——纪念《经济研究》创刊50周年