It requires no external power sources, thereby reducing operation costs.
无需额外动力，节省运行成本。
The scheme requires no external beam shaping element and has the potential to be designed for high-power applications.
此方案无需外加光束整形元件，在高功率应用方面较有潜力。
The scheme requires no external beam shaping element and has the potential to be designed for high-power applications.
此方案无需外加光束整形元件，在高功率应用方面较有潜力。
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