标签：science account registration

Introduction Academic database resources itself is the Internet era of Anglo-American academic libraries to share knowledge efforts, the Internet true sharing is no academic threshold, but at present, such sharing is still mainly confined to university campuses, when the power of the Internet encyclopedia more than any encyclopedia, the so-called "nonprofit repositories" are still to the high cost of the threshold to deny individual users outside the school institutions. The so-called "non-profit repositories" are still denied to individual users outside of schools and organizations because of the high cost...

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