<entry>
<ent_seq>2610920</ent_seq>
<k_ele>
<keb>一増一減</keb>
</k_ele>
<r_ele>
<reb>いちぞういちげん</reb>
</r_ele>
<trans>
<trans_det>16,800,000-year period over which a human lifespan increases from ten years to 84,000 years (by one year per century) and then decreases back to ten (by one year per century)</trans_det>
</trans>
</entry>