Since then, the basic structure of a solar cell has changed little.
自此，太阳能电池的基本构造几乎从未改变。
This paper describes the basic structure and the working principles of the load cell.
本文主要介绍了该传感器的基本结构及工作原理。
This paper describes the basic structure and the working principles of the load cell.
本文主要介绍了该传感器的基本结构及工作原理。
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