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  • Welcome to the USGS - U.S. Geological Survey

    Welcome to the USGS - U.S. Geological Survey

    Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment.

    - 2014-02-04 - 收藏
  • Exploratorium

    Exploratorium

    San Francisco's Exploratorium is more than a museum, it's a twenty-first-century learning laboratory, an eye-opening, always-changing, playful place to explore and tinker. Dive in and discover what we’re all about.

    - 2014-02-04 - 收藏
  • Bureau of Reclamation Homepage

    Bureau of Reclamation Homepage

    Bureau of Reclamation Homepage www.usbr.gov Department of the Interior, Bureau of Reclamation Homepage, Water, Dams, Dam, Projects & Facilities, Hydromet, Agrimet, hydropower

    - 2014-02-04 - 收藏
  • Niagara Falls State Park | Official Site

    Niagara Falls State Park | Official Site

    Discover Niagara Falls State Park. With the breathtaking Falls, Hurricane Decks, the Maid of the Mist and more, a Niagara Falls vacation is the ultimate getaway.

    - 2014-02-04 - 收藏
  • Cooking For Engineers

    Cooking For Engineers

    Detailed instructions on food and cooking for those who like to ask not just How? but also Why?

    - 2014-02-04 - 收藏
  • Epicurious.com

    Epicurious.com

    Epicurious.com: Recipes, Menus, Cooking Articles & Food Guides Gourmet Recipes, Home Cooking, Healthy Recipes, Food, Recipe, Cooking, Menus, Epicurious, Epicurious.com, Gourmet, Bon Appetit

    - 2014-02-04 - 收藏
  • Random House

    Random House

    Random House LLC, the world\'s largest English language trade publisher, bringing you the best in fiction, nonfiction, and children\'s books.

    - 2014-02-04 - 收藏
  • Amazon.com

    Amazon.com

    Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & personal care, broadband & dsl, gourmet food & just about anything else.

    - 2014-02-04 - 收藏
  • Best Buy International

    Best Buy International

    Shop online at Best Buy in your country and language of choice. Best Buy provides online shopping in a number of countries and languages.

    - 2014-02-04 - 收藏
  • 山东政府采购网

    山东政府采购网

    山东政府采购网www.ccgp-shandong.gov.cn代理事项:0531-82669895 投诉举报:0531-82669590

    - 2014-02-02 - 收藏