[计] store-and-forward switching center
cún chǔ zhuǎn fā jiāo huàn zhōng xīn ㄘㄨㄣˊ ㄔㄨˇ ㄓㄨㄢˇ ㄈㄚ ㄐㄧㄠ ㄏㄨㄢˋ ㄓㄨㄥ ㄒㄧㄣ