17~24

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1.

Under dynamic load of cement concrete pavement at the end of the maximum tensile stress can be reduced by 17~24. 3%.

动荷载作用下时水泥混凝土路面板板底最大拉应力将降低 17~24.3%。

paper.pet2008.cn

2.

Methods 52 specimens of amniotic fluid were extracted from pregnant women during 17~24th weeks gestation , then were cultured and karyotyped.

方法抽取 52 例有产前诊断指征的孕 17~24 周孕妇的羊水，采用全营养培养基进行羊水细胞培养。

3.

In the early 1960s a worldwide aerosol band was discovered in the lower stratosphere at 17-24km.

在六十年代初期，在 17-24 公里平流层下部发现世界范围气溶胶带。

4.

Section 17-24 of Cosmetic Regulation of the Food and Drug Act ; C. R. C. , c.

食品和药物法令中的化妆品条例第17至24 节；

blog.sina.com.cn