单臂电桥测温电路结构简单，但存在误差而难以实现高精度温度检测。
Although single-armed bridge circuit is easy to construct, but is not suitable for high precision temperature detection because of its inner error.
结合“单臂电桥测电阻”这个实验的特点提出了一个设计性实验，并给出了解决方案。
A designing experiment and the relative solution have been given combined with the characteristics of the resistance measurement experiment with Wheatstone bridge.
通过与单电桥相比，得出双电桥桥臂电阻与电桥灵敏度的关系，从而确定了双电桥桥臂电阻选择的原则。
Compared with single bridge, the relationship between the arm resistance of double bridge and its sensitivity can be determined. Therefore, the rule for selecting arm resistance is obtained.
通过与单电桥相比，得出双电桥桥臂电阻与电桥灵敏度的关系，从而确定了双电桥桥臂电阻选择的原。
Compared with single bridge, the relationship between the arm resistance of double bridge and its sensitivity can be determined.
通过与单电桥相比，得出双电桥桥臂电阻与电桥灵敏度的关系，从而确定了双电桥桥臂电阻选择的原。
Compared with single bridge, the relationship between the arm resistance of double bridge and its sensitivity can be determined.
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