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    2. Apple's Worldwide Developer Conference held at San Jose Convention Center in California, U.S.

      Source: Xinhua| 2018-06-05 10:45:48|Editor: Chengcheng
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      US-SAN JOSE-APPLE-WWDC

      A participant takes photos during Apple's Worldwide Developer Conference (WWDC) at the San Jose Convention Center in San Jose, California, the United States, June 4, 2018. (Xinhua)

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      KEY WORDS: Apple
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