The mathematical model and structure for a multi-input-multi-output direct product system are proposed based on the direct product concept of group theory.

本文在直积网络概念的基础上，提出了一种多输入多输出直积系统的结构。

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The output direct feedback controller design and simulation results of a nonlinear mass-spring-damper mechanical system show that these methods are effective.

通过对一个非线性质量块-弹簧-阻尼器系统输出反馈控制器的设计和计算机仿真，验证了方法的有效性。

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PHP wasn't originally designed to be used with direct keyboard input or text output to the user.

PHP最初不是设计用于与用户直接的键盘输入或文本输出结合使用。

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Separate studies show that an FTTH infrastructure can have a direct impact on local economic output, said Mr Helsen.

BBC: Home fibre plans survive downturn

Pure Direct mode can also be selected for higher quality audio output.

ENGADGET: Yamaha's CD-N500 network CD player comes to the States, priced at $800

CSFB's figures almost certainly exaggerate the direct impact of the attacks, not least since any lost output will partly be offset by more spending on rebuilding, security and defence.

ECONOMIST: World economy