【化】 fertile-to-fissile ratio

可的英語翻譯：

approve; but; can; may; need; yet

轉(zhuǎn)換的英語翻譯：

change; shift; switch; transform; transition
【計】 change-over; conversion; convert; cut-over; handover; translate
translating; translation
【經(jīng)】 convert; switching

與的英語翻譯：

and; attend; get along with; give; help; offer; take part in; with
【計】 AND

易的英語翻譯：

amiable; change; easy; exchange

裂變的英語翻譯：

【化】 fission

核素的英語翻譯：

nuclein
【化】 nuclein; nuclide
【醫(yī)】 nuclein; nucleo-; nuclide

之的英語翻譯：

go; leave; of; somebody; something; this

比的英語翻譯：

compare; compete; ratio; than
【醫(yī)】 proportion; ratio
【經(jīng)】 Benelux; benelux customs union; benelux economic union