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日本交通協会
Japan Transportation Associationnoun
は
topic markergrammar
交通
traffic; transportation; communication; exchange (of ideas, etc.); intercoursenoun, suru verb
に
direction, time, indirect object, or target markergrammar
関する
concern; be related to; pertain tosuru verb
調査研究
research study; investigative researchnoun
を
object markergrammar
行っ
perform; carry out; conduct; do-> 行うgodan verb
ている。
ongoing or resultant stategrammar