1.So lets learn about a basic sensor.那么让我们来学一个基本的传感器。

2.This area lets visitors learn how satellites and space probes gather and process information.观众在这里可以得知人造卫星与太空探测船如何收集和处理资料。

3.Liu thinks that this kind of real-product-based competition lets students learn more than just promoting a product by themselves.此外，刘杰还认为，与单纯的促销相比，在这种实际产品推广竞赛中，学生们能学到更多东西。