Working table fixed, backward moving of double wheel head overall arrangement is used.

采用工作台固定、双砂轮架后移动式布局。

youdao

But moving backward is more complicated, because internally the iterator performs a depth-first, preorder traversal of the Rope, visiting each of its leaf nodes.

但是向后移动要复杂些，因为迭代器内部执行的是深度优先算法，预先排好了Rope遍历的顺序，需要访问每个叶节点。

youdao

When clicking the backward and forward buttons for the application, we won't be adding new events to the stack but we will be moving the pointer within the stack.

单击应用程序的后退和前进按钮时，不会在堆栈中添加新的事件，而是移动堆栈的指针。

youdao

The choice between going backward and moving forward has never been so clear.

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The storyline would have to do some major backflips to keep moving forward, and these prequel games show that even moving backward is hard too.

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Well the, the, the US Federal Reserve certainly has, is moving aggressively, maybe going for an overkill and the European Central Bank is firmly backward looking and is not moving until inflation has come down so the, there is room to criticise the policy of the European Central Bank.

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