principal component contributor rate的用法和样例：
例句
- SPCA arithmetic has smaller number of spectral principal components and greater variance contribution than PCA by choosing proper kernel functions and parameters.
当选取合适的核函数和参数时，谱主成分的个数比主成分的个数要小且累积方差贡献率要大。 - A model about valuing the contribution rate of economy growth was built, based on three kinds of datum.
我们基于三类经济数据，建立了测算人力资本对经济增长贡献率的模型。
