A closed-loop overconstrained spatial mechanism composed of six hinge-jointed bars, which has three planes of symmetry in any position, is called a threefold-symmetric Bricard linkage.
Understand the following facts about Wicca: Wiccans believe that everything you do comes back to you threefold; they call this "The Threefold Law".
In 2006 Mr. Blair called for a threefold increase in the number of state schools and colleges offering the I.B. in Britain.
The experts called for a threefold increase in funds for the International Development Association's crisis response window and an easing of eligibility criteria to allow middle-income countries to access grants and low-cost loans if needed.
(Two years ago, Bill Gates, Xerox chief executive Ursula Burns, GE chief executive Jeff Immelt, and John Doerr, the Silicon Valley venture capitalist, called for a threefold increase in public investments in energy research). There should be some kind of price on carbon, now a negative externality, whether it is a transparent tax or some more opaque market mechanism.
The purpose of the phone call was threefold: (1) to guide and motivate potential drop-out patients to participate in other activities; (2) to give other patients/participants the opportunity to attend instead of drop-out patients; (3) and to gather information about drop-outs for feedback to the PHC centres.
We used error probabilities informed by the discordant calling rates observed by Rabbee & Speed [ 38], with heterozygous SNPs being called homozygous at a roughly threefold higher rate than homozygous SNPs being called heterozygous.
He was a scholar at the Institute for Advanced Study, in Princeton, New Jersey, and proposed a method, now called the Borcea-Voisin construction, for obtaining mirror-symmetric families of Calabi-Yau threefolds.
Already, the Olympic budget has soared more than threefold to around $18 billion, and the overruns threaten to divert funds from more modest, local sporting projects grouped in a body called Sport England.
Several scientists and saffron experts have banded together to form a movement they call "Saffronomics". Their mission is threefold: to improve saffron production and marketing; to determine its purity and place of origin; and to impose order on an unregulated market.
