the survey has a margin of error of plus or minus 3 percentage points, gallup said.
盖洛普调查公司承认,该项调查存在3%左右的误差。
the survey has a margin of error ranging from 2.4% to 4.4% depending upon the country, 19 times out of 20.
在不同国家,结果的误差率在2.4%到4.4%之间。
it has a margin of error of plus or minus 3.1 percentage points.
误差的幅度在正负3.1%之间。
the polls, conducted in january but only released monday, has a margin of error of plus or minus 4.7 percent.
这次调查于今年1月开始进行,其结果本周三才公布,这样的调查结果可能存在4.7%左右的偏差。
the poll has a margin of error of plus or minus 2.2 percentage points.
这一民意调查的误差幅度在正负2.2%以内。