scroll position
滚动位置
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Gets the current vertical scroll position.
取得垂直检视大小。
youdao
Gets the current horizontal scroll position.
取得目前的水平检视大小。
Persisting the scroll position when moving from page to page.
在网页间移动时保存卷轴位置。
Position and size your scroll view with constraints external to the scroll view.
ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog
Position and size your scroll view with constraints external to the scroll view-that is, thetranslatesAutoresizingMaskIntoConstraints property is set to NO.
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模块上移
模块下移
不移动