US to introduce high-speed rail tech from China.
美国将引进中国铁路高科技技术。
Testing and production, speed up, speed up the development and production of high-tech products.
测试及生产，加快，加快高新技术产品的开发和规模化生产。
Mobile phone, the high-tech electronic consumptive product, prevails in China at high speed.
手机是近年来在中国普及速度最快、竞争日趋激烈的高科技电子消费类产品。
Mobile phone, the high-tech electronic consumptive product, prevails in China at high speed.
手机是近年来在中国普及速度最快、竞争日趋激烈的高科技电子消费类产品。
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