No one would dispute the decisive role played by technological innovation in recent history.

没有人会怀疑技术革新在近代历史中所扮演的决定性角色。

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She has played a decisive role in the peace negotiations.

她在和谈中起了关键作用。

《牛津词典》

But two specific events have played a decisive role: the decision earlier this month by Hamas to end a six-month ceasefire and elections in Israel due in February.

但两个特定事件起了决定性作用：本月初哈马斯结束了为期六个月的停火和以色列定于来年二月举行的大选。

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In remarks offered on the occasion of his receiving the Center for Security Policy's annual "Keeper of the Flame" award, Kasparov spoke of the decisive role in the destruction of Soviet communism played by President Harry Truman's policy of containment and President Ronald Reagan's Strategic Defense Initiative.

CENTERFORSECURITYPOLICY: Center For Security Policy

In the London contest, union block votes played a decisive role in handing the nomination to Frank Dobson despite more people having voted for his rival, Ken Livingstone.

BBC: Labour row looms on internal polls

During the second of these incarnations, it played a decisive role in shaping the national security platform and policies that would be adopted first by Candidate and then by President Ronald Reagan.

CENTERFORSECURITYPOLICY: Welcome back to the fight