日落后“太阳树”会回复到最初的位置，发出全光谱光线，为下面的街道和行人提供照明。
When the sun goes down the solar trees will return to their original position to give off a full spectrum of light to the street and pedestrians below.
全棉免烫产品的折皱回复角(弹性回复角)和强力损失是两个重要指标。
Wrinkle recovery Angle (elastic recovery Angle) and strength loss are two important indexes of no-iron finished pure cotton fabric.
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