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- The screen-printed Al-back surface field (Al-BSF) is widely used now to reduce the back surface recombination velocity ( S b) and improve the efficiency of silicon solar cells. 铝背场能够有效降低电池背表面复合速率,提高转换效率,是商品化晶体硅太阳电池普遍采用的主要背表面钝化结构。
- On the base of the sea surface field numerical forecasting model which has been used in forecasting the marine elements, on the Bohai Sea, "initializing"and "non-initializing"are compared through a contrast experiment. 在一个已应用于海洋要素预报的有限区域海面风场预报模式的基础上，以渤海海域为实验海区，研究初始化方案对有限区域海面风场数值预报模式的影响。
- Back surface field solar cell, BSF solar cell 背场太阳电池
- aluminum-alloyed back surface field 铝背场
- Back surface reflection and back surface field solar cell 背场背反射太阳电池
- Surface Field Distribution Characteristics in Weak Magnetic Field 弱磁场下管件表面磁场的分布特征
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- Calculation of two-dimension surface field of magnetoresistive heads 二维巨磁阻磁头表面场的计算
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
- Wheels won't bite on a slippery surface. 车轮打滑。
