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The officials also said that the US defense secretary welcomes the opportunity to meet Chinese officials at the forum.

It is my great pleasure to join friends from the world at the Boao Forum for Asia Annual Conference 2012. More than a decade ago, Boao was still a small fishing village little known to the outside world. Today, it has become a major platform for people to compare notes on issues important to Asia's development. Boao has grown through the opening-up and development of Asia and China, its opening-up and changes have reflected how deeply connected China and Asia, Asia and the world have become. This gathering gives all of us a good opportunity to look at our world and learn from each other. The Boao Forum is an open and inclusive platform, based in Asia yet with a global perspective. This year's theme "Asia in the Changing World: Moving Toward Sound and Sustainable Development" is a highly relevant one. On behalf of the Chinese government, I would like to extend our warmest congratulations on the opening of the conference and our sincere welcome to all the participants coming from afar.

"To this end, China will continue to work for the complete prohibition and thorough destruction of nuclear weapons, keep to the policy of no-first-use of nuclear weapons, remain committed to the international nuclear non-proliferation efforts and support the right of countries to the peaceful use of nuclear energy," he said.

Yu greeted all the 28 rescued Chinese crew members of the ship on the behalf of Chinese government and Chinese people.

WASHINGTON, April 16 (Xinhua) -- Researchers at the University of Colorado (CU) have found that lack of a specific gene interrupts neural tube closure, a condition that can cause death or paralysis. The study was the cover story this week in the journal Genes & Development.