测量结果与被测量真值之间的一致程度,是( )。

测量结果与被测量真值之间的一致程度,是( )。

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There is no risk to public health.

There is no risk to public health.

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Some children have never seen a dentist before starting scho

Some children have never seen a dentist before starting school.

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Boys miss more school hours each year due to dental,―related

Boys miss more school hours each year due to dental,―related illness.

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Dental and oral diseases are common in both adults and child

Dental and oral diseases are common in both adults and children

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