technical upgrading的用法和样例：
例句
- As long as we have a well-developed market economy, market competition will drive enterprises to continue industrial and technological upgrading.
只要我们有一个健康发展的市场经济体系，市场竞争将会推动企业技术升级。 - In a speech at the opening of the national legislature's annual session, Wen also pledged technology upgrading for the country's big but largely outdated armed forces.
温家宝在每年一度的人大会议开幕式上讲话时还承诺要对中国庞大但大量过时的武装力量进行技术升级。
