upgrading and updating
升级换代
常用释义
英式发音
美式发音
基本释义
- 升级换代
例句
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1·It is the updating and upgrading of tool that we stress in this thesis.工具的更新、升级引起的变革，成为本文比较分析的重点。
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2·High development of economy, updating and upgrading of technology are increasing the efficiency with constantly changing of living condition. They also bring about the high risk.经济的迅猛发展，科技的更新换代以及相伴而来的生存环境的不断变化，促进高效率的同时也带来了高风险。
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3·Through updating and upgrading of the CERNET and digitized transformation for the satellite TV network, the transmission terrace has been built in our country.通过中国教育和科研计算机网的升级提速，以及卫星电视教育网的数字化改造，构建了我国现代远程教育专业平台。