Hozirgi kunda dunyodagi eng tezkor poyezd Yaponiyaning Alfa-X poyezdidir, uning maksimal tezligi soatiga 400 km. Biroq, u hali ham tijorat xizmatiga kirmagan va 2020 yillarning oxirida ishga tushishi kutilmoqda.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence