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电子源
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DEFINITIVE EXAMPLES 权威例句〔thermionic tube〕An electron tube in which the source of electrons is a heated electrode.热离子管:电子源是加热电极的电子管美国传统
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periodic acid oxidation
periodic alcoholism
periodic analysis
periodic annealing
periodic annealing furnace
periodic annealing oven
periodic antenna
periodic arthralgia
periodic asthenia
periodic audit
periodic audits
periodic automorphism
periodic balance sheet
periodic benefit
periodic bill
periodic binary sequence
periodic boundary condition
periodic boundary problem
periodic breathing
periodic budgeting
periodic bulimia
periodic catatonia
periodic chain
periodic change
periodic chart
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更新时间:2026/5/16 13:31:13