Disuku sabushisutemu no kousurūputtoka ni kansuru kenkyuu

Jiki disuku souchi no fudou heddo to disuku no intafēsu ni kansuru kenkyuu

Disuku burēdo renseikei no shindou ni kansuru kisoteki kenkyuu

Hikari disuku souchiyou taibutsu renzu akuchuēta no douteki sekkei ni kansuru kenkyuu

Maikuromashin ni yoru jiki disuku souchi no koukiroku mitsudoka no kenkyuu

Peniotoron no kouseinouka ni kansuru kenkyuu

Dīzeru enjin no kouseinouka ni kansuru kenkyuu

Sekuta sābo houshiki ni yoru jiki disuku souchi no heddo ichigime seigyo shisutemu ni kansuru kenkyuu

Hikari nyūraru nettowāku no koushuusekika ni kansuru kenkyuu

Koubun kaiseki no kousokuka ni kansuru kenkyuu

Gurasu rainingu no kinouka ni kansuru kenkyuu

Korogari jikuuke no kousokuka ni kansuru kenkyuu

Baipōra debaisu no koukinou shuusekika ni kansuru kenkyuu

Apareru kigyou no shisutemuka ni kansuru kenkyuu

Terebijon shingou no hādokopīka ni kansuru kenkyuu

Koukurikaeshi ekishimarēza no jitsuyouka ni kansuru kenkyuu

Koutou kinrui no keitou shinka ni kansuru kenkyuu

Bisubenzochienirueten no fotokuromizumu ni kansuru kenkyuu

Genshi no soukan ni kansuru kenkyuu

Dairekuto doraibuyou rinia parusu mōta no kouseinouka ni kansuru kenkyuu

Gazou seisei shuhou no kousokuka ni kansuru kenkyuu

Nyūraru nettowāku ni yoru kahei shikibetsu no koudoka ni kansuru kenkyuu

Sei ni kansuru densetsu no kenkyuu

Dīzeru kikan no haiki jouka ni kansuru kenkyuu

Sankabutsu hakumaku no gousei ni kansuru kenkyuu