The difference of level of pig feed nutrition, reflect the difference that is energy, protein and amino acerbity level essentially.

猪饲料营养水平的差别，实质上体现为能量、蛋白质与氨基酸水平的差别。

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Degree of expanding chest The patients sit up straight to record the difference of level thorax round diameter between the deep inspiration and deep expiration in the 4th lib.

患者端坐，记录其第4肋间水平胸廓周径在深吸气及深呼气时之差。

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The difference between the two measures provides the researcher with an indication of the level and duration of the response to the stimulus.

这两种测量方法的差别为研究者提供了对于刺激反应的水平和持续时间的指示。

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And the answer is that-- yes it won't make a difference to our wellbeing but it also doesn't mean that we cannot increase our level of wellbeing.

答案是-,是的，它不会改变我们的幸福水平,但并不意味着,我们不能提升自己的幸福水平。

哈佛公开课 - 幸福课课程节选

So why the difference in level of importance in terms of the public event?

WHITEHOUSE: Press Briefing

Again, there was a marked difference in the level of detail and richness in description from the bilingual pupils.

BBC: Bilingual children 'better at problem-solving skills'

The torpedo-shaped instrument gathers data about the difference between the level of the seawater beneath the ice and the surface of the ice itself.

BBC: Arctic ice melting at 'amazing' speed, scientists find