Chinas new rural building is facing the "double dual structure" constraints which is different from other countries and regions.

我国新农村建设面临着不同于其他国家和地区的“双重二元结构”的制约。

youdao

If so, is it possible to make it a redundancy double (dual) ring network to ensure the high reliability of the automation system?

如果能，是否可以构成冗余的双环形网络来保证自动化系统的可靠性？

youdao

Dual citizens may have double the responsibilities though too.

BBC: The equation of dual citizenship

The uncanny fusion of actual and virtual space utilizes dual stereoscopic projections, mirrors, a double-sided projection and game engine software customized by the artists.

ENGADGET: Museum of The Moving Image plans multi-million dollar updates with HD, 3D

The dual-core Power6 chip boasts a top speed of 4.7 gigahertz, double that of IBM's previous Power5 and represents a next generation processor to the PowerPC, the chip that was previously used in Apple's Macintosh computers.

FORBES: Magazine Article