As far as I know claims have existed in.net since v. 1.0 but have not been actively used by many.

据我所知声明从。NET 1.0版本就有了，但一直没有被广泛使用。

youdao

Since 1914, scientists have known that birds flying in formation—a V-shape—expend less energy.

自1914年以来，科学家们已经知道，以V字形队形飞行的鸟类消耗的能量更少。

youdao

V: Yes, this is really an encouraging trend since the economic environment in general is changing.

代表：对呀。正因为总的经济环境在变化，这真是一个令人鼓舞的发展趋势。

youdao

The event has not taken place here since nineteen ninety because of restrictions against visitors with H.I.V.

VOA: special.2009.12.02

The U.S. Supreme Court will decide before summer the most important education civil rights case since Brown v.

FORBES: Fact and Comment

It was in that dimly lit room, in 1857, that the Supreme Court overturned a federal law for the first time since Marbury v.

NEWYORKER: Benched

What could be the most important education lawsuit since Brown v.

FORBES: Magazine Article