as Pb 重金属
Pb-As alloys 铅砷合金
ppm as Pb 重金属
As Pb Unit 重金属
Pb Cd Cr As 微量杂质元素
pb and as 铅和砷
As-Cu-Pb alloy 砷铜铅合金
“I would have loved it just as much if it was a PB and J sandwich , ” she says.
她说:“就算只有涂上花生酱或者果酱的三明治,我也一样喜欢 。”
Greenplum is not offering Hadoop-as-a-service but rather providing a platform of over 10,000 virtual nodes and 24 PB of storage to test Hadoop itself.
Greenplum并不提供Hadoop - as - a - Service,而是提供了一个超过10000虚拟节点和24 PB存储容量的平台,用于对Hadoop本身进行测试。
METHODS Using atomic absorption spectroscopy to determine the content of Pb, Cd, Cu, as and Hg in AMK samples collected from 12 different areas.
方法收集12个不同产地的白术样品,以原子吸收光谱法测定样品中的铅、镉、铜、砷和汞的含量。
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