Beidou satellite navigation system, which is independently developed in China, has been used in China’s high-speed railway.
A.正确
B.错误
正确答案：正确
Beidou satellite navigation system, which is independently developed in China, has been used in China’s high-speed railway.
3次阅读
When building the Qiantang River Bridge, Chinese engineers had already got some experience in the construction of modern bridge.
China’s high-speed railway is vividly called one of the “four great inventions” of modern China.
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