The U. s. 's National Highway Traffic Safety Administration paved the way for the flying car to be rolled out after recently announcing exemptions to allow it on American roads.
美国国家公路交通安全管理局(NHTSA)最近宣布，给与这种飞行汽车在美国公路行驶的权力，此举为飞行汽车的实际应用铺平了道路。
Similar subsidy programs already are offered or are being rolled out in the U. S. , Japan and Europe.
类似的补贴计划已在美国、日本和欧洲实施或正在推广。
U-shaped control model for coiling temperature was put forward to improve the high strength and low plasticity of head and tail of hot rolled strip.
针对热轧带钢因卷取后钢卷内外圈与芯部的冷却速度不同，导致带钢成品头尾强度高、塑性低的问题，提出了卷取温度凹型控制模式。
The invention can be used without being rolled into a three-dimensional U shape, and has excellent bending resistance.
本发明无需卷曲成立体U形即可使用、具有良好的耐弯折性能。
The invention can be used without being rolled into a three-dimensional U shape, and has excellent bending resistance.
本发明无需卷曲成立体U形即可使用、具有良好的耐弯折性能。
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