<entry> <ent_seq>2848315</ent_seq> <k_ele> <keb>必要労働時間</keb> </k_ele> <r_ele> <reb>ひつようろうどうじかん</reb> </r_ele> <trans> <trans_det>necessary labour time (in Marxian economics)</trans_det> </trans> </entry>