The highest decision-making body of ybam calls for a national convention biennially .
马佛青最高决策机构为每两年召开的全国代表大会。
The general assembly shall meet biennially on the first wednesday next after the first monday of january , beginning in a.d. 1915 .
从主的纪年1915年开始,全体议会每两年集会一次,会议自1月的第一个周一之后的第一个周三开始。
The recipient of three grants from the national science foundation and author of three books , he was chosen as the 2005 karl deutsch award winner , given biennially to the best international-relations scholar under the age of 40 .