But a viewer needs to stand in designated zones to experience a 3-d effect; otherwise the screen becomes an out-of-focus blur.

观众需要站在指定的区域才能体验立体效果，否则屏幕变成一片模糊。

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But a viewer needs to stand in designated zones to experience a 3-d effect; otherwise the screen becomes an out-of-focus blur.

观众需要站在指定的区域才能体验立体效果，否则屏幕变成一片模糊。

youdao