data-fitting curve的用法和样例：
例句
- It is an automatic test instrument,which can automatically impose test load,protract curves,analyze and process data.
它是一个能自动加载测试，自动拟合曲线，自动分析和处理数据的测试装置。 - The useful life of engineering plastics was predicted within the storage period using a polynomial fitting curve method, and its storage life deadline was inspected.
运用多项式拟合曲线方法对轻武器用工程塑料在贮存期内进行寿命预测，考核轻武器用工程塑料的贮存寿命期限。
