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贝塞尔日数
释义
贝塞尔日数
Encyclopedia
理学
天文年历
释
Besselian day numbers
贝塞尔日数
从贝塞尔年首(也即光行差改正后的平太阳赤经等于280°的时刻)恒星的平位置()变换到恒星视位置()时所用到的一组参数。
Astronomy
Besselian day number
贝塞尔日数
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nuclear family
nuclear fireball model
nuclear fission
nuclear fission and nuclear fusion
nuclear fission chain reaction
nuclear fission detector
nuclear fission fuel
nuclear fission mechanism
nuclear fission reactor
nuclear force
nuclear force saturates
nuclear forensics
nuclear fragment
nuclear free zone
nuclear fuel
nuclear fuel assembly
nuclear fuel chemistry
nuclear fuel cycle
nuclear fuel cycle chemistry
nuclear fuel cycle cost
nuclear fuel element
nuclear fuel reprocessing
nuclear fusion
nuclear fusion chemistry
nuclear fusion energy source
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