高恐惧诉求、低恐惧诉求会影响与牙齿卫生有关的态度和行为变化，一项研究对这两者进行了比较。

One study compared the effects of high-fear and low-fear appeals on changes in attitudes and behaviors related to dental hygiene.

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比较餐用鳖甲与药典法鳖甲对肝纤维化的预防和治疗作用。

Compare the preventive and protective effects on hepatization fibrosis of Carapax trimycis.

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我们进行了一项双盲，多中心研究，比较了美沙美拉明与美沙酮对安慰剂治疗活动性溃疡性结肠炎的疗效。

We performed a double-blind, multicenter study, comparing MMX mesalamine vs placebo for the treatment of active ulcerative colitis.

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So what we can actually directly compare is the dissociation energy or the bond strength of nitrogen versus hydrogen.

因此实际上我们可以直接进行比较,对氮分子与氢分子的离解能,或键的强度。

麻省理工公开课 - 化学原理课程节选