The measurement error caused by finite intervals effect of measured value can be decreased using time cumulation or periodic expansion.
测量取值的有限时宽效应，可以采用时间累积或周期延拓方法，把测量方法误差降到足够小。
It indicates that arsenic may reduce the effect of fluoride on tooth and bone by reducing the absorption and cumulation of fluoride in the body.
结果表明砷可能通过减少氟的吸收及氟在组织蓄积而减轻氟对机体骨等矿化组织的损害作用，但这种拮抗作用很弱。
In semiarid area northeast, researching the effect of the dry matter cumulation and the yield character on limited water supply.
在东北半干旱地区，研究有限供水对干物质积累及产量性状的影响。
In semiarid area northeast, researching the effect of the dry matter cumulation and the yield character on limited water supply.
在东北半干旱地区，研究有限供水对干物质积累及产量性状的影响。
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