La détermination de distance en mesurant l'intervalle de temps entre transmission d'un signal d'énergie radiant (son) et le retour de son écho.
\1e 3 December 2008 : Training Workshop on the Use of Molecular Genetics in Penang Network of Aquaculture Centres in Asia-Pacific - News
\1e 3 December 2008 : International Cosmos Prize for Professor Phan Nguyen Hong from the National University of Education of Vietnam Network of Aquaculture Centres in Asia-Pacific - News
\1e 24 November 2008 : Japan International Award for NACA Staff Network of Aquaculture Centres in Asia-Pacific - News
\1e 14 November 2008 : World's largest coral conservation project set to begin (ABC via Yahoo!7 News) :: from Yahoo! News Advanced Aquarist Online Magazine
\1e 14 November 2008 : Coral Reefs Face `Acid Test' of Early Extinction (Update1) (Bloomberg) :: from Yahoo! News Advanced Aquarist Online Magazine
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