The cost of the glassy photovoltaic panels that generate most solar electricity-by freeing electrons from a semiconducting material such as silicon-is plummeting.
透亮的光伏电池板花费正大幅下降，它们通过从半导体材料中释放出电子而生产了大多数的太阳能电力。
2
The thermo electromagnetic crack preventing process was studied in the infinite thin conducting plate loath a semi infinite straight crack within .
对含半无限长直线裂纹的无限大导电薄板的热电磁止裂问题进行了研究。
3
At a critical temperature, vanadium oxide films undergo phase transition between metal phase to semi-conducting phase.