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erbium
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erbium
Encyclopedia
理学
铒
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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emergency repair of railway line subjected
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emergency rescue for 11·3 building collapse accident in Hengyang city, Hunan province
emergency rescue for 5·12 earthquake accident in Wenchuan county, Sichuan province
emergency rescue for 7·23 high-speed railway crash accident in Wenzhou city, Zhejiang province
emergency rescue of dangerous chemical accidents
emergency rescue preparedness
emergency rescues technology
emergency rescue system
Emergency Rescue Team
emergency rescue techniques
emergency rescuing based on GNSS
emergency resource management standards
emergency resources
emergency response
emergency response action planning
emergency response and management system
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