志愿者：世博中心位于卢浦大桥东侧世博园区B区滨江绿地内。
Volunteer: the Expo Center is located in the riverside green space of Zone B, to the east of Lupu Bridge.
或者，二向色滤光片可在波长转换元件110上使用以将所透射的泵浦光反向反射到波长转换元件110内用于二次传递。
Alternatively, a dichroic filter may be used over the wavelength converting element 110 to reflect the transmitted pump light back into the wavelength converting element 110 for a second pass.
为降低高能量光泵浦下板状激光放大介质内的热效应，提出了复合介质的方案。
Composite laser slabs are suggested to reduce thermal effects when laser slabs are pumped by high laser power.
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