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采矿技术的创新将是该行业在下个世纪保持活力的关键。
物理学中的每一个发现都是向理解宇宙宏伟设计迈出的一步。
To any artist, worthy of the name, all in nature is beautiful, because his eyes, fearlessly accepting all exterior truth, read there, as in an open book, all the inner truth.