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1·The head center of the soldering iron head is provided with a centering pin positioned at the center point of the circular ring circle and rising a little altitude than the circular ring plane.

在所述烙铁头的头部中心有一定心针，该定心针位于圆环的圆心处，高度略微高出圆环平面。

2·The 600-plus-kilogram satellite will circle the Earth once every 90 minutes after it enters a sun-synchronous orbit at an altitude of 500 kilometers.

墨子号质量在600千克以上，进入距地面高度500公里的太阳同步轨道后，每90分钟环绕地球一圈。

3·In mild conditions, shifting your body to the outside of the turn will aid the wing in turning horizontally, the turn circle grows and loss of altitude is kept to a bare minimum.

在中等的情况下，横移你的身体到转弯方向的外侧将会增加伞翼在转弯时的水平移动量，这使得在转弯中高度的升降维持在一个极小的范围。