翻译下列句子: Some designers review lines with either a stylist or the owner of the house, but most manufacturers encourage the designer to make aesthetic decisions about fabric.
【简答题】下图为 1- 己烯的红外光谱图,图中甲基的弯曲振动特征吸收峰为() cm -1 ,双键碳氢键的伸缩振动吸收峰为() cm -1 ,碳碳双键的伸缩振动吸收峰为() cm -1 ,饱和碳氢的弯曲振动吸收峰为() cm -1 ,末端双键碳氢键的弯曲振动特征吸收峰为() cm -1 。(注意答案只填写谱图中对应的数字,不得有其他符号和空格) 。