primary component anal-ysis的用法和樣例：
例句
- By using principal component analysis, turfs insect communities can be divided into three types.
經(jīng)主成分分析，草坪昆蟲(chóng)群落可以分為三個(gè)類(lèi)型。 - KPCA extracting principal component with nonlinear method is an improved conventional PCA.
摘要核主成分分析方法是主成分分析的改進(jìn)算法，其采用非線(xiàn)性方法提取主成分。
