In 2019, the market for digital oral language examination systems in China had a size of *** million yuan. Digital oral language examination systems are embedded in online language education solutions.
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iResearch. (November 17, 2020). Market size of digital oral language examination technologies in China from 2017 to 2019 with a forecast until 2022 (in billion yuan) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1211811/china-market-size-of-oral-language-examination-technology/
iResearch. "Market size of digital oral language examination technologies in China from 2017 to 2019 with a forecast until 2022 (in billion yuan)." Chart. November 17, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1211811/china-market-size-of-oral-language-examination-technology/
iResearch. (2020). Market size of digital oral language examination technologies in China from 2017 to 2019 with a forecast until 2022 (in billion yuan). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1211811/china-market-size-of-oral-language-examination-technology/
iResearch. "Market Size of Digital Oral Language Examination Technologies in China from 2017 to 2019 with a Forecast until 2022 (in Billion Yuan)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 17 Nov 2020, /statistics/1211811/china-market-size-of-oral-language-examination-technology/
iResearch, Market size of digital oral language examination technologies in China from 2017 to 2019 with a forecast until 2022 (in billion yuan) ÌÇÐÄÆƽâ°æ, /statistics/1211811/china-market-size-of-oral-language-examination-technology/ (last visited July 31, 2026)
Market size of digital oral language examination technologies in China from 2017 to 2019 with a forecast until 2022 (in billion yuan) [Graph], iResearch, November 17, 2020. [Online]. Available: /statistics/1211811/china-market-size-of-oral-language-examination-technology/
