Gag orders at this stage in the proceedings are rare, though not unprecedented.

虽说并非史无前例，但进展到这阶段下达禁令实属罕见。

youdao

Experts state that the occurrence of the high temperature this week is rather rare, though not unprecedented.

专家表示，本周所出现的高温现象虽然不是史无前例，但也相当罕见。

youdao

Mr Mohanty notes that the recent period of high inflation is not exactly historically unprecedented, though to be fair it is clearly not the norm.

莫汉蒂先生指出，最近一段时期的高通货膨胀不完全是历史上前所未有的，说句公平话，这显然是不正常现象。

youdao

When I say that the Israeli government is making an unprecedented offer even though it is not what many would hope for and even though our position remains the same that settlement activity is not legitimate - nevertheless it holds out the promise of moving a step closer to a two-state solution,".

VOA: standard.2009.11.02

Gag orders at this stage in the proceedings are rare, though not unprecedented.

ECONOMIST: A battle over the public's right to know

The pattern of job losses is similar to what occurred after the September 2001 terrorist attacks, a period that actually marked the bottom of the recession (though not of job losses) as unprecedented fiscal and monetary firepower was brought to bear.

ECONOMIST: Unemployment in America

It made unprecedented efforts to do this in last year's municipal elections, though not all potential partners are keen.

ECONOMIST: Brazil��s opposition