Many researchers prefer to use a Likert-type scale because it’s very easy to analyze statistically. (Jackson, 2009, p. 89)

许多研究人员喜欢使用李克特量表编写问题，因为这会给后续的统计工作带来不少便利。

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A modified version of P index was used to assess P loss risk and identify critical source areas in Chaohu watershed at a regional scale.

以巢湖流域为研究区，尝试采用改进的磷指数法在较大的流域尺度开展非点源磷流失风险评价及关键源区识别。

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The neurofilament protein immune-positive neurons and gray scale in ipsilateral oculomotor nucleus in all neurotrophic groups were significantly increased compared with normal saline group (P< 0.05).

各营养因子组术侧动眼神经核的神经丝蛋白免疫反应阳性神经元数目和免疫染色强度均明显高于生理盐水组（P<0.05）；

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