Sentence structure analysis

[mayunfei]

" In this section, only the operators that are different from the ones in C + + and the ones
introduced few in C + + are reiterated. "

i am a chinese guy but i am interested in english and learning it

i want to ask what does it mean " the ones introduced few in C + + are reiterated"
How to analyze this sentence structure (if possible, i hope the answer in english and chinese)

[Alan]

The expression is not grammatical.

I suggest rechecking the original text.