In this paper, the present levels, application areas and the trends of three kinds of Jaser marking systems, including YAG lasers, TEA CO_2 laser's and excimer laser's are introduced.

主要介绍了三种激光打标系统：yag激光打标系统、TEA CO_2激光打标系统和准分子激光打标系统的水平、应用领域和发展趋势。

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Jaser also appeared in court Tuesday in Toronto and also did not enter a plea.

NPR: Suspect In Canada Terror Plot Denies Charges

Jaser appeared in court earlier Tuesday in Toronto and also did not enter a plea.

WSJ: Suspect in Canada terror plot denies charges

Jaser appeared in court earlier Tuesday in Toronto and did not enter a plea.

WSJ: Bail hearings for 2 men in Canada terror plot