cgl.org.cn 的前十大競爭對手

lib.cugb.edu.cn

中国地质大学（北京）数字图书馆;中国地质大学（北京）数字图书馆

tpwu.org.tw

全球化矛盾–民主與世界經濟的未來  The Globalization Paradox–Democracy and the Future of the World Economy作者：丹尼．羅德里克(Dani Rodrick)譯者：陳信宏出版：衛城出版  發行：遠足文化事業股份有限公司初版：2016年2月  售價：390元 全球經濟自由化的步伐愈跨愈大，反對聲浪也從未平息，儘管二〇〇八年金融危機之後全球化的信徒不再那麼自信滿滿，但這股趨勢依舊強勁，只是早就化整為零，轉為各種區域經濟協定。

dosits.org

Using Underwater Acoustics to Detect and Measure Global Ocean Methane Flux Close up imagery of methane hydrate. Scientists study methane hydrates as a potential natural gas source and for its potential role in releasing methane to the atmosphere during climate change events. Image

geologyistheway.com

Geology is the Way did not start as an educational website. I simply love to go in the field and look at rocks under the microscope and I like to share my stuff on the social media. However, as soon as I started building this website, I realized how difficult it is to find clear geological material

howthingsfly.si.edu

A website explaining the basic principles that allow aircraft and spacecraft to fly

electricity-magnetism.org

Resistance is a measure of how difficult it is for electrical current to flow through a material, and it is measured in ohms (Ω). The resistance of a material depends on its geometry (length, cross-sectional area, etc.) and its resistivity (ρ).