<entry> <ent_seq>2857779</ent_seq> <k_ele> <keb>自然放出</keb> </k_ele> <r_ele> <reb>しぜんほうしゅつ</reb> </r_ele> <sense> <pos>&n;</pos> <field>&physics;</field> <gloss>spontaneous emission</gloss> </sense> </entry>