Or they can buy unsell (and sell) existing bonds.

他们也可以买卖现有的债券。

This computer program can be integrated with existing programs.

这套计算机程序可以与现有的程序整合在一起。

Consensus politics places a high value on existing political institutions.

代表多数人意见的政纲强调现存政治机构的重要性。

Food and clothing will not get cheaper under existing conditions.

在目前条件下,食品和衣服不会变得便宜些。

MPs called for tougher enforcement of the existing laws on drugs.

下院议员呼籲加强现行毒品法律的执行力度。

Only children whose parents are existing savers may open an account.

只有现有储户的孩子可以开立账户。

Hormesis challenges the existing hazard-assessment process underlying environmental regulations, Calabrese says.

卡拉布列兹也说，激效挑战了现行做为环境管理依据的有害物质评估程序。

People were existing on a hundred grams of bread a day.

人一天靠100克面包就能继续存活。

It is a difficult task to parallelize the existing sequential algor ithm.

对已有的串行算法进行并行化，是一项很困难的工作。

The existing problem in operation of siphonal sand filter and innovation were introduced.

介绍了虹吸式砂滤器在运行过程中出现的问题及改造措施。

Custom Built Dual Pass Reverse Osmosis System - Replaced existing automatic deionizer for plating operation.

定制的双通道反渗透系统——取代现有的自动电镀脱离子剂。

The Golden Top, the largest gold gilded bronze building existing, overlooking peaks around imperially.

中国现存最大的铜铸鎏金建筑——金殿，金碧辉煌，一殿镇群山。

The cube is placed on a socle preserving the existing lively local food market.

立方体放在虹晶保存现有的生动当地粮食市场。

Recent research findings have muddied the waters considerably—scientists are having to re-examine all their existing theories.

最近的研究成果使事情大为复杂，科学家不得不重新审视现有理论。

The paper highlighted the existing situation of soil gleying and swamping,thecause and harm of soil waterlogging.

讨论了长江中游地区土壤潜育化沼泽化现状,土壤渍害的原因及其危害,并总结提出了一些改良措施。

Columbus' accomplishment, once accepted, enabled mankind to use the existing skills of seacraft for vastly greater undertakings.

哥伦布的业绩一旦被接受，就使人类能利用现有的航海技术从事更伟大的事业。

The existing calculation methods of inrushing for confined water foundation pit are summarized, and their shortcomings were analyzed.

摘要总结了承压水基坑既有突涌稳定分析方法，分析每种方法存在的不足。

The systems allow carriers to offer more high-bandwidth data services over their existing fiber-optic access and interoffice networks.

这些系统允许电话公司在现有的光缆接入和局间网络上提供更多的高带宽数据服务。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采用盾构法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The “old things” – neuter plural things – an expression of the “unredeemed world,” existing in sin and misery.

「旧事」指﹕未被救赎的世界，于罪与痛苦中生存。