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释义
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f区元素
包括58~71号镧系元素铈、镨、钕、钷、钐、铕、钆、铽、镝、钬、铒、铥、镱和镥,90~103号锕系元素钍、镤、铀、镎、钚、镅、锔、锫、锎、锿、镄、钔、锘和铹,一共28种化学元素。又称内过渡元素。
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
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mechanical property
mechanical property of earth materials
mechanical propterties of crystal
mechanical proving
mechanical Q-switched technology
mechanical quadrature
mechanical quadrature method
mechanical quality factor
mechanical quanlity factor
mechanical quantity
mechanical quantity measuring instrument
mechanical quantity sensor
mechanical quantity transducer
mechanical reactance
mechanical receptive reflection
mechanical rectifier
mechanical restraint device
mechanical safety design
mechanical sampling
mechanical sand control
mechanical seal
mechanical segmentation method
mechanical separation equipment
mechanical sewing technology
mechanical shutter
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