Now the local people are looking for extension arid substitution for resource conversion in their living and producing.
当地人们在生存与生产活动中正在寻求资源转化的延伸与替代。
The green urban transition, expansion or extension of the low density area, is a gradual conversion from a built to a planted environment.
绿色城市转型，低密度区的扩张或延伸，是从建筑环境到种植环境的逐步改变。
The structure and output characteristics of the laser are studied in detail. It is shown that the laser is compact and reliable with high conversion efficiency and long life extension.
用户使用表明，该激光器具有转换效率高、使用寿命长、结构紧凑、整机性能可靠等特点。
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