The trade mix was further improved as evidenced by 17.3% growth in the export of mechanical and electrical products and 13.1% growth for new - and high-tech products.

进出口商品结构继续改善，机电产品、高新技术产品出口分别增长17.3%和13.1%。

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Helical spring mass system (HSMS) is widely used in almost all of mechanical and electrical products due to its structure feature and elastic buffer ability.

螺旋弹簧质量系统由于其结构特点及其缓冲作用在几乎所有机电设备和系统中都有广泛的应用。

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Please provide detailed information on the alignment of US standards with international standards in areas of mechanical and electrical products and children toy products.

请说明美国在机电产品、儿童玩具产品领域实施的标准与国际标准的对接程度及详细清单。

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