But the group estimates that irregularities occurred at a third of polling places.

该组织估计，非法现象在三分之一的投票站都有出现。

youdao

A polling group can have any number of participants as well as an expandable list of polling categories.

一个调查组可以包含任意数量的参与者和可扩展的调查类别列表。

youdao

Frankley is not alone in feeling cut-off: national polling shows that whites feel less in control of their communities and country than any other ethnic group (see chart).

并非只有富兰克林区感觉自己被隔绝：国家民意调查显示，在影响社区和国家方面白人感觉比其他种族的人更无力(见图)。

youdao

Tim Montgomerie said that although the concept was useful in government it was "inexcusable" that the Big Society had not been tested in a focus group or polling before it had been launched as an election pledge.

BBC: Why did the Tories not win the 2010 general election?

MORI, a polling group, 45% of people go at least once a year, compared to 31% in 2000.

ECONOMIST: Dumbed-down Britain? You would be stupid to believe it

TNS-Sofres, a polling group, down four points from May.

ECONOMIST: The limits of political legerdemain