The absorption spectrum of the Nd~(3+) ions in K Nd_(0.9) La_(0.1) P_4O_(12) crystals was measured at room temperature.是什么意思_The absorption spectrum of the Nd~(3+) ions in K Nd_(0.9) La_(0.1) P_4O_(12) crystals was measured at room temperature.在线翻译_英语_读音_用法_例句