reference limit造句

Laboratory tests are generally normal or within reference limits.
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WHO also has a parameter of " vitality ", with a lower reference limit of 60 % live spermatozoa.
It was expected to reach 11 % of GDP in 2009 . Finally, the average for the long-term interest rate during the prior year was 4.7 % in March 2008, and thus also well within the reference limit at 6.5 %.
In 2002, the NACB recommended age-related reference limits starting from about 1.3 to 19 礗U / mL for normal-term infants at birth, dropping to 0.6 & ndash; 10 礗U / mL at 10 weeks old, 0.4 & ndash; 7.0 礗U / mL at 14 months and gradually dropping during childhood and puberty to adult levels, 0.3 & ndash; 3.0 礗U / mL.
It's difficult to find reference limit in a sentence. 用reference limit造句挺难的