If the light was kept steady, the dolphins were supposed to press the levers in reverse order.

如果光线保持稳定，海豚应该以相反的顺序按压杠杆。

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But when I press that button again hide class should be added with hide animation (which is just reverse version of previous animation).

但是当我再次按下该按钮时，隐藏类应该添加隐藏动画(这只是以前动画的逆向版本)。

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In the die design, the use of spherical punch made the process of deep drawing and reverse redrawing achieved in one set of mold and common hydraulic press.

在进行模具设计时，采用半球形凸模等方式可以实现正、反拉深在一套模具，普通液压机上完成加工。

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"This policy reversal is against the best interest of the security of crew and passengers in the aircraft cabin and we will stop at nothing to fight it, " said the Flight Attendants Union Coalition, in a press statement issued Thursday announcing its campaign to reverse the TSA's decision.

CNN: Knives on a plane? Really?