查询词典 twenty-first

Mellon University's Robotics Institute, says ASCI Purple represents an important milestone for the computing industry. Twenty years ago, he predicted that computers would require 100 terraflops of calculating power to simulate the activity of the human brain.

人研究所的教授 Hans Moravec 说，"ASCI 紫计算机的问世"代表着计算机产业的一个重要里程碑。20年前，他预测计算机若能达到每秒100兆的计算能力，就能模拟人脑活动了。

The products sell well domestically and ebter twenty countries and regions,such as America and Europe,South Africa,Japan and Southeast Asis.

产品畅销国内，并进入欧美、南非、日本、东南亚等二十个国家和地区。

Several corms of asphodel from the flower market, a basin of clear water, some cobblestones for fixation and a period from ten to twenty days will provide you an imposing view of asphodel blossoms in severe winter.

严冬时节，到花市买几颗球茎，放一盆清水，用几颗石子固定，置于窗台上一二十天便能观赏水仙了。

In the year 1857, at the summer assizes of the county of Cornwall, an unfortunate man, 2 said to be of unexceptionable conduct in all relations of life, was sentenced to twenty-one months' imprisonment, for uttering, and writing on a gate, some offensive words concerning Christianity.

即在1857年，在康沃郡的夏季巡回裁判庭，就有一个不幸的人，①据说在生活一切关系方面都还是碌碌庸行的，只因说了和在门上写了几句触犯基督教的话就被判处二十一个月的徒刑。

In less than twenty years, Chinese Assyriologists has achieved outstanding success and exert a great influence in the world. At the beginning of the new century, not only Chinese Assyriology faces serious challenges, but also is vested with opportunities of development. zgwww.comKey words: Assyriology, China, cuneiform

因此，中国亚述学创建历史不长，遇到一些困难和挫折是正常的，我们深信，随着中国综合国力的提高，改革的逐渐深入，只要我们毫不松懈，中国的亚述学必将获得更加良好的发展条件，中国的亚述学研究大有可为。

This region is also known as asthenosphere and lies at the depth of about sixty to one hundred and twenty kilometers, and is approximately one hundred kilometers in thickness.

这个区域又被称为软流圈，一般位于地下60至120公里的深处，其厚度大约有l00公里。

One week after the initial tragedy, though, I traveled to Houston, joining Bill and Hillary Clinton, as well as George H. W. Bush and his wife, Barbara, as they announced fund-raising efforts on behalf of the hurricane's victims and visited with some of the twenty-five thousand evacuees who were now sheltered in the Houston Astrodome and adjoining Reliant Center.

在最初的灾害发生后一个星期，我拜访了休斯顿，加入了克林顿、小布什夫妇一起，他们宣布要为飓风的死难者筹款，并看望了当时在休斯顿天文运动中心和附近的展会中心的2万5千名疏散者中的其中一部分。

But it is growing at a rate of fifteen to twenty percent a year.

但是，在过去的一年中，它增长了15%到20%。

I often had to work for over twenty hours at a stretch.

我经常不得不连续工作20小时以上。

In the past twenty years, China has developed at high speed.

在过去的二十年中，中国一直在高速发展。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。