At present, laser marker technique has taken the place of the traditional marker technique in many fields because of its perfect effect and high speed.
目前激光打标技术以它出众的打标效果及打标速度，已经在很多领域取代传统的打标方式。
2
In order to obtain growth and development traits associated with the yak DNA marker, improve the performance and speed up the breeding process of yak.
为了获得与牦牛生长发育性状相关的标记位点，提高牦牛生产性能，加快牦牛育种进程。
3
With the application of mixed position closed-loop system in the high-speed precise laser sub-marker, the response has been increased greatly and constant error has been decreased.