international mathematics union
international mathematics union
国际数学联合会
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The International Basic Sciences Programme (IBSP) of UNESCO and the International Mathematical Union (IMU) are leading this Mathematics of Planet Earth Day and the international exhibition which is an important component of the year of scientific and outreach activities, Mathematics of Planet Earth 2013 (MPE2013), under the patronage of UNESCO.
UNESCO: Mathematics of Planet Earth Day