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单词
polyatomic ion
释义
polyatomic ion
polyatomic ion
[
‚päl·ē·ə¦täm·ik ′ī·ən
]
(chemistry)
An electrically charged species formed by covalent bonding of atoms of two or more different elements, usually nonmetals, for example, the ammonium ion (NH
4
+
).
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data collection and data relay
data collection and filtering device
data collection and finishing environment
data collection and forwarding
data collection and location system
data collection and monitoring
data collection and platform location system
data collection and scheduling tool
data collection and technical assistance tool
data collection and training feedback plan
data collection and verification
data collection board
data collection computer
data collection & corrective action
data collection device
data collection & distribution units
data collection & evaluation system
data collection event
data collection form
data collection initiative
data collection instrument
data collection integrator
data collection management
data collection management plan
data collection module
英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/6/3 12:38:35