求翻译：7. 日本外务省发言人在北京举行记者招待会时，表示中方已口头同意中日建立关于历史问题的联合委员会，双方还同意在司局级层面上就东海油气问题经常举行磋商是什么意思？

7 Japan's Foreign Ministry spokesman at a reception held in Beijing correspondent, said that China and Japan had verbally agreed to establish a joint committee on historical issues, the two sides also agreed on at the departmental level, the issue has held consultations on East China Sea gas

. * 7, the Japanese Foreign Ministry spokesman in Beijing, said at a press conference held at the Chinese side has been verbally agreed on the establishment of the Joint Committee on historical issues, the two sides also agreed to the division level regular consultations on the East China Sea gas an

7. The Japanese Ministry of Foreign Affairs spokesperson holds the press conference when Beijing, indicated the Chinese government oral had agreed China and Japan establish about the question of a political nature joint board, both sides also agreed holds the consultation frequently in the departmen

7. Japan Foreign Ministry held a press conference in Beijing, the spokesman, said China has verbally agreed to establish joint Committee on historical issues in China and Japan, the two sides also agreed on the Department or Bureau level level often held consultations on the East China Sea oil and g

7. Japan Foreign Ministry held a press conference in Beijing, the spokesman, said China has verbally agreed to establish joint Committee on historical issues in China and Japan, the two sides also agreed on the Department or Bureau level level often held consultations on the East China Sea oil and g