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630.2 yards per second is about six times as as The CRH (train).
In other words, it's 5.9 times the of The CRH (train), and the of The CRH (train) is 0.17 times that amount.
(a.k.a. Hexie Hao, 和谐号, a.k.a. 和諧號, a.k.a. Héxié Hào, a.k.a. "Harmony")
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