The survey of 1,012 adults has an error margin of +/- 3 points for the full sample, and 5 points for the Republican and Democratic subsamples.是什么意思_The survey of 1,012 adults has an error margin of +/- 3 points for the full sample, and 5 points for the Republican and Democratic subsamples.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句