Party veterans fret that a fixation on purity could hamper the Republicans’ ability to conduct canny election-winning politics.

共和党老将担心确保党内纯洁将妨碍共和党采取选举致胜的精明策略。

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When the eyes stop to focus it is called a fixation and the movements between these fixations are called saccades . See image below

当眼睛停留集中在某点是我们称它为固视，当在若干固视点间移动时我们把它称做扫视。

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The length of a fixation is usually an indication of information processing or cognitive activities as this is when the brain interprets the visual information from the eyes.

注视时间的长短通常表明了大脑处理视觉信息的过程和认知行为的发生。

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According to Freud, the-- it's not a fixation in the stage, in the same sense as an oral or anal stage, but yes.

根据弗洛伊德的理论-,这并不是发生在某个阶段的固着，像是发生在口腔期和肛门期阶段那样，不过，你是对的。

耶鲁公开课 - 心理学导论课程节选

And yet a fixation on age risks missing a more serious problem facing Europe.

ECONOMIST: Charlemagne

With a fixation on patent strategies, American tech giants are in danger of underpreparing for future key markets.

FORBES: Apple Will Lose Friends And Markets With Its Patent Strategy

This procedure involves cutting the front portion of the first metatarsal in a V-shape, moving the bone and holding the sections together with a fixation device, such as screws.

WSJ: Young People Also Weigh Surgery to Relieve Ugly, Painful Bunions