...加入收藏 获取最新 内蒙古温带典型草原光能利用率初步研究 赵育民 【摘要】： 植被光能利用率(light utility efficiency，LUE)是描述植物对光能资源利用效率的指标。1972年由Monteith在湿热带森林研究中引入。
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The utility model has the advantages of compact structure, small size, light weight, easy carrying, and large output torque which is beneficial for improving the efficiency of maintenance.
它结构紧凑、体积小、重量轻，易于携带，其输出扭矩大，有利于提高维修效率。
The utility model provides a light dielectric core feedhorn with high efficiency and low noise, which belongs to the improvement of existing dielectric loading horns.
本实用新型提供了一种轻型、高效、低噪声介质芯喇叭天线，属于现有介质加载喇叭的改进。
The utility model has the advantages of small whole machine volume, light weight, low energy consumption and high refrigerating efficiency.
本实用新型具有整机体积小、重量轻、能耗低、制冷效率高的特点。
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