The dog remains down until the handler is satisfied with compliance and gives the MARK (YES) and presents the tug toy and a session of tug.

狗会保持卧下，直到训练员满意狗儿的动作，然后做出标记(YES)，再拿出玩具与狗儿进行拔河游戏。

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To accomplish this after the Mark the handler moves his delivering hand down and away from the dog, kind of like a wand.

要达到这个目的可以在标记后，移动拿着食物的手远离狗，有点像一根棍子。

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If you use a Preview event class handler to mark the input event handled, the bubbling input event class handler will not be invoked.

如果您使用预览事件类别处理常式将输入事件标记为已处理，便不会叫用反升输入事件类别处理常式。

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