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Since the DWDM web has a great wavelength volume, multiple wavelengths can be transported in a single fiber, a number of fibers can be saved in this way. So the DWDM technology is applied in the optical communication web more and more now.

DWDM网络由于可以在单根光纤上传输多个波长，所以具有超大的容量，可以大幅度节省光纤数量，这种技术现在被越来越广泛的应用在光通信网络中，DWDM技术的核心就是针对各个波长的操作和控制。

This does not happen easily. As every author knows, even a single volume requires a great deal of careful organization and hard work. All the more must we appreciate the clear view and the patience and energy which Knuth must have had to plan seven volumes and to set about implementing his plan so carefully and thoroughly.

任何一名作者都明白，即使是单卷本著作也需要付出大量艰苦的工作并进行严谨的组织，我们可以想象得出高德纳教授如此全面而审慎的制定了出版七卷本的计划并令其成为现实所具备的清晰的大局观和付出的过人精力，这并非易事，我们必须加倍感谢他的工作。

Both push the limits of human survival at extreme depths: one using sophisticated technology and the other just a single breath. World-class divers Dave Apperley, Pete Mesley and Tim Cashman form a team to explore the wreck of RMS Niagara, a luxury liner sunk by a German mine in 1940. For over 60 years it has remained submerged in nearly 400 feet (120 metres) of water off the northern tip of New Zealand.

连白痴都能潜到水下一百米的沉船处，但若想安全地回到水面，就要靠技术了，在这个陌生的环境，这些潜水者寻找著世上最深的沉船之一，他们将用上足以媲美太空装备的科技，这可说是星舰迷航记症侯群，一心探索未知的领域，但有些人则很排斥水下呼吸器，只凭一口气潜到深海。

Like the three-button single-breasted suit, a double-breasted suit looks best on a man of medium or tall build.

体型就像弎扣单排西装一样，双排西装在中、高体型人群身上显得更好看。

You can make an endless chain of knots on a single piece of string.

在一根线上你可以做出无尽的结。

Sanya市经贸局analysis of the person concerned, whether it is business management, purchase channels, product quality, shopping environment, decentralization, a single type of retail outlet and Format has been far behind as an international tourist city of Sanya requirements.

三亚市经贸局分析有关的人，无论是企业管理，采购渠道，产品质量，购物环境，权力下放，单一类型的零售商店和格式已经远远落后于作为一个国际旅游城市三亚市的要求。

Nearly a hundred sailfish have surrounded a single school of bait fish.

近100条旗鱼的包围了这群饵鱼

Faced with such a scientific problem,a single method is hard to solve it.

面对这样的一个科学问题，很难用一种方法进行分析研究。

It is not a single right or wrong answer, but more of a process and series of actions.

这不是一个简单的或对或错的答案，更大程度上是一个过程和一系列的行动。

Before the discussion has been mentioned, I would like to single women never, never again a serious warning not to stay at that hotel ...

之前的讨论已经有提过，我想再次严重警告单身女生千万千万不要去住那家旅馆。。。。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。