TSH国家标准品与第2次国际参考制剂的相对效价为0.942。 然而，在不同的免疫分析方法之间存在一定差异。

The relative potency of national TSH standard to 2~(nd) international reference preparation was 0.942. However, there was some difference between each immunoassay methods.

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“任何步行方面相对于后来人类的能效低下都来自于一个小体型和宽体宽，除此之外无他，”她说道。

"Any energy inefficiencies in walking relative to later Homo would have come from a small body size and wide body breadth, nothing more," she says.

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只有在你有一个高能效的洗衣机，使用60度洗衣周期，限制在24片尿布以内，不要甩水和熨干的情况下，可洗尿布的碳足迹才会相对比较低。

Washables can have a lower carbon footprint, but only if you have an energy-efficient washing machine, use a 60-degree wash cycle, limit yourself to 24 nappies, and don't tumble dry or iron them.

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