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日本《钢铁设计》杂志载文说:人类正迈向以激光为中心的‘光子时代’。 世界第一台激光器问世于一九六○年。现在,激光已完全达到实用水平,并不断扩大其
The article in Japan’s “Steel Design” magazine stated that mankind is moving toward the laser-centered ’photonic era’. The world’s first laser was introduced in 1960. Now, the laser has fully reached the practical level and continues to expand its