生命的意义在于不断的学习、摸索、感悟，感悟出我们生活中新的体悟或规律，我即在这学习的过程中：
TEC modules from have many applications. One of them is to keep diode laser chips working at a constant temperature,
thus, the lasers will output a laser beam with a stable wavelength, constant power, and low optical noise.
这是我新学习的一个方向，希望能做出一点成绩来！
