expansion instrument meaning in English

热线式仪表

Beginning with the shortcomings of s / n ratios method , other three techniques of permias and data transformation and response surface methodology which are alternatives to s / n ratios method have been analyzed . in addition , for an example of a thermal expansion instrument ' s robust design , it has been proved that surface methodology is an improvement to s / n ratios method
从田口s n比法的弊端入手，分析了s n比法的替代方法： permias法、数据转换法和响应曲面法，并以实例证明：响应曲面法对s n比法的改进。