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科学 Website Directory　/　This website directory includes a total of235An excellent website

  • Mathworld.wolfram

    Mathworld.wolfram

    Glossary of terms. Material ranges from undergraduate to research level.

    http://Mathworld.wolfram.com/
    PageRank：
    AlexaRank：0
    Collection time：2025-10-31
  • Italki

    Italki

    italki.com is an online destination for learning foreign languages. italki connects people from around the world in a friendly community to learn from each other. italki helps people meet online to do free language exchanges. italki also helps students connect with teachers for paid online lessons. In addition, italki has many free language learning features, such as questions and answers, group discussions, and multimedia materials for self-study. italki is both a social network and a marketplace. The social network helps bring people together to communicate and learn. The marketplace gives students, teachers, and companies the abililty to transact online.

    http://Italki.com/
    PageRank：
    AlexaRank：0
    Collection time：2025-09-21
  • Newscientist

    Newscientist

    Science and technology news from the weekly magazine includes daily updates from around the world. Includes Hot Topics, interviews, book reviews and job listings.

    http://Newscientist.com/
    PageRank：
    AlexaRank：0
    Collection time：2025-10-29
  • R-project

    R-project

    R, also called GNU S, is a strongly functional language and environment to statistically explore data sets, make many graphical displays of data from custom command line, shell has option to save one full environment per working directory. Descriptions, documents, downloads. [Open Source, GPL]

    http://R-project.org/
    PageRank：
    AlexaRank：0
    Collection time：2025-10-29
  • Iitm

    Iitm

    Official site. Information about programs offered, departments, activities, research, admissions, events and contacts.

    http://Iitm.ac.in/
    PageRank：
    AlexaRank：0
    Collection time：2025-10-29
  • Technologyreview

    Technologyreview

    MIT's magazine about innovation, with online articles on specific technologies and a focus on the process by which new technology gets out of the lab and into the marketplace.

    http://Technologyreview.com/
    PageRank：
    AlexaRank：0
    Collection time：2025-11-01
  • faucetbox

    faucetbox

    Bitcoin micro-payment processor which provides webmasters and developers free crypto-currency faucet scripts, and allows faucet users to collect bitcoins and get paid in bulk without any fees.

    http://faucetbox.com/
    PageRank：
    AlexaRank：0
    Collection time：2025-10-08
  • Esri

    Esri

    Offers free software, online mapping and GIS training, demos, data, product and service information, user scripts, and related information. Makers of ArcView, ArcGIS and ArcIMS.

    http://Esri.com/
    PageRank：
    AlexaRank：0
    Collection time：2025-10-30
  • Foreignpolicy

    Foreignpolicy

    Magazine of global politics, economics and ideas. Published bimonthly in print and daily online by the Slate Group, a division of the Washington Post Company.

    http://Foreignpolicy.com/
    PageRank：
    AlexaRank：0
    Collection time：2025-10-29
  • Citeseerx.ist.psu

    Citeseerx.ist.psu

    Scientific literature digital library and search engine.

    http://Citeseerx.ist.psu.edu/
    PageRank：
    AlexaRank：0
    Collection time：2025-09-20
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