Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.

要激光是一种新型光源，激光与普通光相比，具有很好单色性、方向性、相干性和高亮度以及高功率、高能量等。

Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.

摘要激光是一种新型光源，激光与普通光相比，具有很好单色性、方向性、相干性和高亮度以及高功率、高能量等特点。

Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.

摘要激是一种源，激与普通相比，具有很好单色性、方向性、相干性和亮度功率、能量等特点。

Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.

摘要激光是一种新型光源，激光与普通光相比，具有很好单色性、方向性、相干性和高亮度以及高率、高能量等特点。

Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.

摘要是一种新型源，普通相比，具有很好单色性、方向性、相干性度以及功率、能量等特点。

Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.

摘是一种新型源，与普通相比，具有很好单色性、方向性、相干性和高亮度以及高功率、高特点。

Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.

摘要激光是一种新型光源，激光与普通光相比，具有性、方向性、相干性和高亮度以及高功率、高能量等特点。

Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.

摘要激是一种新型源，激与比，具有很好单色、方向、和高亮度以及高功率、高能量等特点。

Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.

摘要激光是一种新型光，激光与普通光相比，具有很好单色性、方向性、相干性和高亮度以及高功率、高能量等特点。