以下为句子列表：
英文: Using the home made device, the relationship between the 3ω voltage and the heating frequency is obtained by Lock-in Amplifier, thus the thermal conductivity of the fluid is calculated with the least square fit method.
中文: 自行研制了流体导热系数的测量装置，采用锁相放大器获取3ω电压与频率的关系，并借助最小二乘法，算出待测试样的导热系数。
更详细...
|
