教育目的：让宝宝认识珠子的颜色；锻炼宝宝手腕的灵活性，双手交替配合能力；训练宝宝的手眼协调能力。
The aim of education: Let your baby know bead colors; Exercise baby wrist flexibility, his hands turn tie; Training baby's hand-eye coordination.
“我们的手腕可以像鞭子一样灵活移动，它可以在投掷时起到加速作用，”他解释说。
"We have a wrist that can move like a whip, that can accelerate through throwing," he explains.
操作人员可以为“龙信使”安装履带以提高移动能力，此外，还可以为机械臂安装可旋转肩部、手腕和夹子的部件，以提高灵活性。
Operators of Dragon Runner SUGV have the ability to add tracks for maximum mobility and a manipulator arm with rotating shoulder, wrist, and grippers for dexterity.
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