Instead of a single-fuselage cylinder, the D series melds two partial cylinders into a distinctive “double-bubble” shape.

D系列飞机采用了一种独特的“双体”外形机身，即类似于将两个柱体融合在一起的形式，改变了传统的单体机身。

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The brake beam(connecting plate) is often broken, and the bolts for fixing the connecting plate are loosed due to the crane′s dynamic load when D series of crane beams are working in a steel plant.

某钢厂列吊车梁在工作中，由于吊车工作的动态作用，导致制动梁（连接板）经常发生断裂，固定连接板的螺栓松动。

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MIT’s D “double bubble” series design concept is based on a modified “tube-and-wing” structure that has a very wide fuselage to provide extra lift.

麻省学院的D型“两个泡泡”系列设计概念基于改进过的“管状机身和一对后倾机翼”结构，机身更加宽大，可以提供额外的升力。

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Now another clip from that same Antony Thomas series I'd like to show you here.

现在我们来看托马斯制作的,另一段视频

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

He sent me this because he interviewed me for this series of films and sent me some clips, so I'd like to share this one in particular with you.

他就这系列影片的一些问题采访过我,因此给了我其中的某些片段,现在我和你们来分享下这段视频

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The basic thing to get down is that Dell is kicking the D series to the curb, and is going E with its professional laptop line.

ENGADGET: Dell's new Latitude E series for suits detailed by elaborate PowerPoint presentation

On short-haul routes the D-series would still have a faster gate-to-gate journey time than a 737.

ECONOMIST: The aircraft of the future

The D-series's twin tails are, in total, 70% lighter than a 737's single one.

ECONOMIST: The aircraft of the future