搜索引擎

sōu suǒ yǐn qíng Internet search engine

技术

jì shù technology; technique; skill; CL:門|门[men2],種|种[zhong3],項|项[xiang4]

包括

bāo kuò to comprise; to include; to involve; to incorporate; to consist of

哪些

nǎ xiē which ones?; who?; what?

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