The paper gives an introduction in detail of the vocational technological education system in Germany as well as the characteristics of its dual system, arrangement of courses and examination.

文章详细介绍了德国职业技术教育体系和双元制模式的特色以及职业技术教育课程设置和考试的特点。

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The dual seismic resistant structure system is proposed, and its design strategy is discussed.

提出了双重抗震结构体系，讨论了其抗震设防目标和设计原则。

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Coal reservoir is a dual porous rock composed of matrix porosity and fracture with its unique cleat system.

煤储层是一种双重孔隙介质，其孔隙由基质孔隙和裂隙组成，并具有自身独特的割理系统。

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Ms Schavan said Germany would expand educational exchanges with Spain and help Madrid develop its own dual system.

BBC: Germany to help Spain give skills to jobless youths

Beyond the flexibility of its dual SIM card system, GALAXY Y DUOS is a beautifully designed smartphone contained in a 11.98mm polished metallic casing.

ENGADGET: Samsung launches two dual-sim Galaxy Y phones for carrier cheaters

The MX-1's 4X zoom offers a versatile and highly-useable range, from a wide 28mm to telephoto 112mm (in 35mm format), its dual shake-reduction system enables sharp, blur-free images in even the most demanding circumstances.

ENGADGET: Pentax launches brass-bodied MX-1 point-and-shoot: 12MP with 4X zoom (update: now with hands-on photos)