中文摘要：

介绍了温度传感器的选择方法，讨论了温度传感器的布置原则，对国内外常用的几种温度传感器的优化布置方法进行了比较分析，对今后进一步的研究趋势做出了展望．

英文摘要：

The method of temperature sensors choosing is introduced and the principle of sensors position is discussed. Different ways of optimizing the temperature sensor placements are compared and the advantages and disadvantages of each other are discussed. Finally, some future research directions about temperature sensors of NC machine tool for thermal error modeling are proposed.