principal component contributor rate的用法和樣例：
例句
- SPCA arithmetic has smaller number of spectral principal components and greater variance contribution than PCA by choosing proper kernel functions and parameters.
當選取合適的核函數和參數時，譜主成分的個數比主成分的個數要小且累積方差貢獻率要大。 - A model about valuing the contribution rate of economy growth was built, based on three kinds of datum.
我們基於三類經濟數據，建立了測算人力資本對經濟增長貢獻率的模型。
