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1·The average level of vitamin D was found at 35.7 nmol/L.

研究发现，维生素D的平均浓度为35.7nmol/L.

2·A price index is a measure of the average level of prices.

价格指数是关于平均价格指数的指标。

3·The average level of the ground surface around the foundation wall.

在基础墙壁附近的地面表面的平整水平。

4·That's still only about half the average level recorded over the last decade.

相比上个十年的记录，这只是平均水平的一半。

5·The desulfurization rate reaches above 90% and the average level is 95%.

脱硫效率高达90%以上，平均脱硫效率为95%。

6·The cost of health services is over the national countryside average level.

医疗服务费用高于全国农村平均水平。

7·Without experiencing significant declines in the national average level of home prices.

没有遇到在全国房价的平均水平显着下降。

8·Arctic sea-ice cover reached its lowest ever recorded average level for the month of June.

六月，北极海冰的覆盖面积达到历史平均记录的最低点。

9·Moreover, as a country's overall wealth increases, its average level of happiness does not.

再者，当一个国家的总体财富增加时，它平均的幸福水平并没有随之增加。

10·Moreover, as a country s overall wealth increases, its average level of happiness does not.

再者，当一个国家的总体财富增加时，它平均的幸福水平并没有随之增加。