The phrase "a string of a" is not correct and does not convey a clear meaning in written English.
It may be intended to describe a sequence or series of something, but it lacks context to be usable.
Example: "He wrote a string of a few sentences that captured the essence of the story."
Alternatives: "a series of" or "a sequence of".
The frequency with which the Moon revolves about the Earth is slightly more than 12 cycles per year; the frequency of the A string of a violin is 440 vibrations or cycles per second.
Even with a string of A and A* grades under their belts, some teenagers failed to secure a university place in what was arguably the toughest year yet for A-level students.
We consider the 1 bp insertion in clone 9 to be a PCR and sequencing artifact since it occurs after a string of "A" nucleotides and has not been detected in any other clones (Additional file 1: Figure 5b).
A teenage girl who might otherwise achieve Cs, for example, would emerge with a string of A grades.
As I lifted up one, a string of a dozen followed, like a necklace of pop beads.
He bought a race horse, "and with the profits she made - she was very successful - I bought another one, and then another one, and eventually I had a string of a dozen race horses," he says.
In 2009, a string of A-list celebrities – including Bono, Bruce Springsteen, Beyoncé, Tom Hanks, Queen Latifah, Sheryl Crow and will.i.am – performed at the Lincoln Memorial in what was billed as the "We Are One" celebration, which featured songs and historical readings.
She's one of the most influential make-up artists of all time and has a string of A-list clients, including Celine Dion, Madonna and Sarah Jessica Parker, and during show season you'll find her backstage at Dolce and Gabbana, Valentino and Versace, to name just a few.
The opening film, a prestige slot that has in the recent past been concerned to parade a string of A-list Hollywood movie stars on the festival's enormous red carpet, with the likes of The Great Gatsby, Robin Hood and The Da Vinci Code, has this year been handed to a French film, La Tête Haute (aka Standing Tall), from a little known director called Emmanuelle Bercot.
It has a string of A-list Silicon Valley backers like Peter Thiel, Sequoia, and SV Angel that have put some $40 million into the company.
Obama's election campaigns in 2008 and 2012 famously employed a string of A-list developer talent from firms including Google, Facebook and Twitter, and even opened an office in Silicon Valley for volunteer engineers.
