Keywords: 高铁
顺序：原文、自己的译文、参考译文、笔记
相比于一些发达国家，中国高速铁路起步较晚，但十年间中国已经成为世界上高速铁路发展最快的国家。
Compared with some developed countries, China's high rail starts later, but China has became the most advanced country in high rail developing in past decades.
Although China developed its high-speed railway later than some developed countries, it has become a country with the fastest development of high-speed railway in the world in just ten years.
相比…较晚：later than
如把相比于翻译为compared with，句式显得过于复杂
无论是基础建设、运营里程，还是技术经验和经营管理，中国高铁均在稳步、快速的发展进程中逐步向世界证明自身的能力。
Not only in fundamental contribution and 运营里程 but also in technic experience and 经营 manage, does China's high-speed railway show its capability to the world in steady and fast developing.
In the course of steady and breathtaking development, China Railway High-speed(CRH) has gradually proved to the world its capability in terms of infrastructure construction, operating mileage, technical experience and operations and management.
快速的发展：fast development，使用breathtaking避免重复
近年来，无论是外交访问(diplomatic visit)还是国外领导访华，我国领导人都会向外推介中国高铁，让中国高铁成为代表中国产品的名片，让世界见证中国的实力。
In the past few years, our country's leader tended to introduce CRH when there was diplomatic visit or foreign leader visited China, which lets CRH become the symbol of China products and lets the world see the power of China.
In recent years, either during the diplomatic visits or when foreign leaders visit China, China's leaders have introduced and recommended CRH to the outside world, making it a business card of China's products and having the world witness China's strength.
无论…还是…：
简单并列
either ... or ...
not only ... but also ... 应该是可以的？
代表中国产品的名片->中国产品的名片：a business card of China's products
中国高铁的向外输出在一定程度上标志着中国从技术引进走向自主创新(independent innovation)，在发展上实现了重大飞跃。
To some degrees, CRH's output shows that China has paced from technic importing into independent innovation and achieved great progress in development.
The export of CRH indicates to some extent that China has made a significant leap of development from introduction of technology to independent innovation.
重大飞跃：a significant/great leap
技术引进：introduction of technology
自主创新：independent innovation
标志：indicate
