事实上，温伯格及其后众多物理学家的努力跟宇宙学有关。宇宙诞生之初，处于极高温度下，单位体积内的能量非常之高。随着宇宙的加速膨胀，在宇宙诞生后0.01 ns，温度逐步下降到1015 ...

WASHINGTON, Feb. 21 (Xinhua) -- U.S. President Donald Trump has of late added lumber and forest products to previously announced plans to impose tariffs on imported cars, semiconductors and ...

The revision to the military code of conduct refines the rules to award the excellent, punish violators and streamline relevant procedures. The revised regulations on military formation are added with ...