一年一度的会议开始于四年前，旨在同周边国家通过北美自由贸易协定建立更稳固的关系。
The annual meeting was started four years ago as a way for the neighboring countries to build on ties established by the North American Free Trade Agreement.
为了检验这个疑问（和其它科学领域的问题），美国科学促进会今年在圣地亚哥举行了一年一度的会议。
To examine this question (and many others, in many fields of scientific endeavour), the American Association for the Advancement of Science (AAAS) held its annual meeting this year in San Diego.
2005年12月12日，东盟和中国、日本、韩国(10 + 3)在吉隆坡举行一年一度的领导人会议。
The Leadership Meeting between ASEAN and China, Japan and Korea (10 + 3), which is an annual event, was held in Kuala Lumpur on December 12, 2005.
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