The dual system is rigid and discriminatory.

双轨制僵化，带有歧视性。

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But the dual system is under pressure.

但是，双元制也受到了压力。

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Almost as many youngsters move into a “transitional system”, a grab-bag of remedial education programmes designed to prepare them for the dual system or another qualification.

大概有同等数量的青少年进入一种过渡性的综合学校学习，这是一种为进入双元制学校或另一种职业资格培训学校而开办的的学前培训机构，是一种成分混杂的教育系统。

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Nowadays we're spoiled with options in the Bluetooth speaker market, and many of the high-end ones -- especially those from Soundfreaq and Nokia -- even feature dual-system streaming (DSS) that lets one speaker pair with another to enable true stereo playback.

ENGADGET

The dual-component system utilizing inductive charging offers EV drivers a convenient, universal and reliable way to charge their vehicles.

ENGADGET: Plugless Power gearing up for production of its hands-free EV charging stations

The portable dual-screen system lets users see 3D images without the use of special glasses, while providing them with a wide variety of gaming and entertainment options.

ENGADGET: Nintendo bundles red 3DS with Super Mario 3D Land starting November 23rd