In the 1960s, while studying the volcanic history of Yellowstone National Park, Bob Christiansen became puzzled about something that, oddly, had not troubled anyone before ： he couldn't find the park's volcano ．

Yellowstone National Park is indeed an electrifying place.

黄石国家公园的确是一个令人兴奋的地方。

One active volcano is in Yellowstone National Park in the United States.

美国黄石国家公园里就有一座活的超级火山。

Welcome to Yellowstone National Park.

欢迎来到黄石国家公园。

A lone red fox picks through the snow in Yellowstone National Park.

一只红狐在黄石国家公园的雪地里觅食。

One such geyser is Old Faithful, in Yellowstone National Park.

在黄石国家公园里，“老忠实”就是这样的喷泉。

In1872, Yellowstone National Park in the world administered by a national government, was established.

一八七二年，世界上第一个由全国政府管理的公园黄石国家公园建立了。

The letter was written by Darwin to thank an American geologist, Dr. Ferdinand Vandeveer Hayden, for sending him copies of his research into the geology of the region that would become Yellowstone National Park.

达尔文写这封信是为了感谢美国的一位地质学家费迪纳得·万德韦尔·海登博士，感谢他给自己寄送的个区域地质研究的复印件，该区域后来成为黄石公园。

Thats Glenn Plumb, a chief scientist with Yellowstone National Park.

这位是格伦普莱伯，黄石国家公园的首席科学家。

The largest United States population is in Yellowstone National Park.

美国的黄石国家公园是该国最大的灰熊栖息地。

Breeding programs at Yellowstone National Park and elsewhere have proved successful.

黄石国家公园和其他地方的灰狼饲养计划取得了成功。

The link to U2 has been made explicit on "Viva la Vida," which was co-produced by Brian Eno, the man who moved U2 from a feisty, soccer-chant style into the expansive and hypnotic sound that has defined the rest of their career.

布赖恩伊诺（Bryan Eno）监制的《Viva la vida》已经展示了专辑与U2的关系，因为布莱恩曾经把U2原来活跃的足球音乐风格改造成深邃的催眠音乐风格，而后者则造就了他们以后的职业生涯。

The title track of "Viva la Vida"-also known as the "iPod song," because it is used in an Apple ad-is easily the best thing about the album.

《Viva la Vida》的同名歌曲也叫“iPod歌”，因为苹果公司用来做了广告。它无疑是该专辑的亮点。

IPv 4 addresses are organized into five different classes, as shown in Table 1-7 .

IPv4位址被编入五个不同的类别, 如表 1-7 所示.

Currently, IPv 4 uses 32-bit addresses, which are represented as 4 bytes with dots between them.

目前, IPv4采用32位地址, 这些地址有4个字节,中间用点来分开.

Scroll to IPv 4 and press Select.

滚动到ipv4和按下选择.

A New Model of Secure G a tew a y

一种新型的安全网关模型的设计

A G a me Model of Port Competition

港口竞争对策模型的研究

Let M be a commutative Monoid, G a commutative group and D a M graded field.

设M是交换Monoid，G是交换群，D是M分次域。

Colleges' Risk of Rais in g a Loan and the Control

高等学校举债风险及其控制

On National Culture and Grade of Runn in g A School

论民族文化与办学品位