Start by taking the bullet-shaped elevators to the top of the museum, and descend down a system of double helix-inspired ramps.
But the family of Babar Ahmad, who along with Talha Ahsan was deported two weeks ago to the US on terrorism charges, accused the legal system of double standards.
Dyarchy, also spelled diarchy, system of double government introduced by the Government of India Act (1919) for the provinces of British India.
Channel TV has said it is "dismayed" that ITV plc is to bring in a system of "double compliance" for shows after the network cast doubt on the smaller Channel 3 franchise holder's ability to vet programmes.
The new constitution proposes to move to a system of "double majority", under which a proposal would pass if it commanded the support of 50% of countries, representing 60% of the EU's population.
The historian Marilyn B. Young found an "elaborate system of double reporting," such that "even the secret records of B-52 bombing targets were falsified so that nowhere was it recorded that the raids had ever taken place".
The middle digit is always a zero, or at least it was until a system of double zeroes was introduced for people carriers, such as the 3008, and 4x4s.
The problem was not so much the stuffing of ballot boxes or a rigged count as the disqualification of hundreds of reformist candidates under a system of double vetting by the interior ministry and the Council of Guardians, an unelected body empowered to inspect the religious credentials of those wishing to stand.
The Parmigiani Fleurier Bugatti Super Sport, presented in August, offers another world-first with a sleekly aerodynamic wedge-shaped case, a canted dial and a transmission mechanism integrating a system of double pinions with bevel gearing to drive the hour and minute hands.
Sound transmission through a system of double shells, lined with poroelastic material in the presence of external mean flow, is studied.
