求翻译：其次，由于可调谐激光器是未来光电子对抗的重要激光光源之一，如激光雷达、激光通信等，从而在众多种类的激光晶体中着重介绍可调谐激光晶体。是什么意思？

Secondly, tunable laser photoelectron confrontation one of the laser light source, such as laser radar, laser communications, which focuses on the many types of laser crystal tunable laser crystal.

Secondly, the tunable laser photonics is the future of the confrontation of important laser light source, such as a laser radar, laser communications, such as in many types of Laser crystal, focuses on a tune laser crystal.

Next, because the tunable laser will be one of future photoelectron resistance important laser photosources, like laser radar, laser communication and so on, thus will introduce emphatically in the multitudinous type laser crystal may the harmonious laser crystal.

Second, because Tunable Lasers Opto-Electronics against in the future an important one of the laser light source, laser radar, laser communications, which focuses on the many kinds of laser crystal tunable laser crystals.

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