标普公司的高级人员说，有五个国家的信用评级，曾经一度像美国上个星期一样由3A降到了2A上(+)，但是又能回升到3A。 这些国家包括加拿大、瑞典和澳大利亚。

S&P executives said five countries, including Canada, Sweden and Australia, managed to regain a AAA rating after falling to AA+, as the United States did last week.

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信效度研究表明，该量表的同质信度、重测信度、内容效度、结构效度和效标效度都达到了心理测量学的要求。

Psychometic properteis analysis showed that the scale achieved good to excellent levels of internal consistency, test-retest reliability, and content, construct, and criterion-related validity.

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振镜可根据需要旋转90度，对侧面进行打标。

The galvanometer can be rotated 90 degrees on request to mark from the sideways.

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He introduced the concept of electronegativity which was a measure, therefore, it is quantitative, of the atom's ability to attract electrons within a covalent bond and developed a scale of electronegativity.

他引入了电负性这一概念,一个反映着原子在成共价键时吸引电子的能力的数据标度，因此这是数量上的，在共价电子中,电子原子能吸引电子,并发展为一定规模的电负性。

麻省理工公开课 - 固态化学导论课程节选

So this is, first of all, even just on an absolute scale, this is way, way larger than the wavelengths we're talking about for baseball.

首先，即使在一个绝对标度下，棒球的尺寸也,远远地大于它的波长。

麻省理工公开课 - 化学原理课程节选

And we can we can do this in principle except for one important detail, which is that enthalpy just like energy u isn't measured on an absolute scale but on a relative scale, right?

除了一个重要的细节,就像能量U一样，它不是,以绝对标度度量的,而是以相对标度度量的，对吧？

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