很多经济学家都认为，这个方案是缓和国际信贷紧缩进而防止全球经济停滞不前的重要步骤。
The measure is seen by many economists as an important step toward ending an international credit crunch that could strangle global economic growth.
然而，这些调整步骤并未缓和对安全问题的忧虑。
特别对圆形曲线的横断面曲线、缓和曲线等的计算步骤作了详细说明和推导。
Especially calculating procedures for circle curve by cross-section and transition cur-ve of the road have been expressed and derived in detail.
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