κ°€μž₯ κ·Όμ ‘ν•œ ν”„λ‘œμ νŠΈλ‘œ 일본의 μ£Όμ˜€λ¦¬λ‹ˆμ–΄μ‹ μΉΈμ„Ό 곡사가 μžˆμŠ΅λ‹ˆλ‹€λ§Œ, 70λ…„λŒ€λΆ€ν„° 기술개발, 90λ…„λŒ€λΆ€ν„° μ‹€μ¦μ‹€ν—˜, 2014λ…„ 착곡, μ™„μ „κ°œν†΅ 2050λ…„ μ „ν›„ μ˜ˆμ •μž…λ‹ˆλ‹€. 2000λ…„λŒ€ μ΄ˆμ— 이미 짧은 μ‹œν—˜μ„  κ΅¬κ°„μ—μ„œ μ΅œλŒ€μ‹œμ† 500km/h에 λ„λ‹¬ν•˜λŠ” μ‹€ν—˜μ—΄μ°¨κ°€ 이미 μ‘΄μž¬ν–ˆλŠ”λ°λ„ 말이죠.

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