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铍2
释义
铍2(1)鈹pí(2)钢灰色、轻、坚硬、质脆而有毒的二价金属元素,具有高电导率且X射线对它有高的贯穿能力,以化合物形式存在,可以从它的化合物还原生产(如通过电解),主要用在合金中做硬化剂(如与铜),在X射线管中用作窗并且在核反应堆中用作慢化剂和反射层 [beryllium]――元素符号Be另见pī
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certificate of coroner
certificate of damage
certificate of date of sailing
certificate of death
certificate of delivery
certificate of departure from port
certificate of departure port
certificate of deposit
certificate of diagnosis
certificate of dishonour
certificate of election
certificate of entrustment
certificate of expenditure
certificate of fitness
certificate of foreign insurance
certificate of freeboard
certificate of good conduct
certificate of guarantee
certificate of holder of attached property
certificate of honor
certificate of identification
certificate of identity
certificate of import licensce
certificate of import license
certificate of incorporation
英汉双解词典收录913115条英汉汉英双解翻译词条,基本涵盖了全部常用单词的读音、翻译及用法,是英语学习的有利工具。
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更新时间:2026/6/15 10:23:08