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erbium
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erbium
Encyclopedia
理学
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释
erbium
铒
化学元素,元素符号Er,原子序数68,原子量167.259(3),属周期系ⅢB族,稀土元素,镧系元素。
Physics
erbium
铒
68Er
{化}
Astronomy
erbium
缩写:Er。铒
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
erbium
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safety management science
safety management strategy
safety management system
safety management system for importing of agricultural genetically modified organisms
safety management system of agricultural genetically modified organisms
safety management theorem
safety man-machine function matching
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safety measures
safety measures identification
safety measures of acetylene cylinder filling stations
safety monitoring and early warning system
safety monitoring for landfill
safety monitoring of tailings pond
safety monitoring technology of well control equipment
Safety Monitoring Theories & Its Application of Hydraulic Structures
safety motivation
safety motto
safety nets
safety nets for architecture
safety of ceramic mold casting
safety of chemical reaction process,SCRP
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safety of community public pipe network facilities
safety of concentrators
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