The phrase "a clear echo" is correct and can be used in written English.
For example, you could say "She heard a clear echo of her voice as it reverberated off the walls of the cave."
Marshall illustrated the genesis of "Sawdust Palace" by having four of her dancers perform a section from "Cloudless," called "Book," which was a clear echo of "Arms".
It's a clear echo of a lovely scene in "The Glenn Miller Story," in which everything locked into place at a performance of "Moonlight Serenade".
There's a clear echo here of The Social Network, which similarly counterpointed the rise of electronic information with the breakdown of communication between the co-founders of an online revolution, one nice, one nasty.
In a clear echo of Prime Minister Gordon Brown's bid to recruit a "government of all the talents", including politicians from other parties, Mr Johnson said: "Kate has a huge and well-known commitment to sport and to London, and I am determined to bring talent from across politics and the community to a new administration".
"If we would argue for an end to the slavery of taxation without representation, we must follow that argument to its necessary conclusion, and commit ourselves to end slavery of every kind," he thunders, in a clear echo of the real-life revolutionary James Otis.
"In your image" is a clear echo of Genesis; elsewhere, she refers to "that longing for a holy completeness in the form of a child," as if she were imagining herself as one of those barren Biblical mothers who desperately petition God to bless their wombs.
The proposed summer pairing of Chamberlin and Cumani is a remarkably clear echo of Mike Cattermole and Emma Spencer, who fronted Flat racing coverage together from 2010 to 2012, his journalistic background being well matched with her insider's knowledge.
The proposed apparatus can detect a clear Hahn echo or Carr Purcell Meiboom Gill (CPMG) echoes of a pencil eraser block or a bottle of oil placed on the apparatus in 5 s with signal averaging using an RF transmitter power of only 19 W; the detection range of the apparatus exceeds 6 mm.
Early on, Mr. Hallberg returns to the stage with Isabella Boylston, Paloma Herrera and Julie Kent — a poet with three potential muses (a clear brief echo of Balanchine's "Apollo"), dancing to barbed and fantastic waltz music.
The apparatus generates a B0 field strength of about 0.279 T at the center of apparatus surface and can acquire a clear Hahn echo signal of a pencil eraser block lying on the RF coil in one shot.
After Constellations – a play featuring quantum physics and brain science, with a looping structure in which scenes repeat – Nick Payne has delivered one dramatic departure – The Same Deep Water as Me, an office and courtroom comedy – and a piece with clear echoes of his biggest success: in Incognito, the fate of the brain of Albert Einstein is explored through recapitulated incidents.
