The phrase "a sharp indication" is correct and usable in written English.
It can be used to describe a clear or strong signal or sign of something, often in contexts where clarity or intensity is important.
Example: "The sudden drop in temperature was a sharp indication that winter was approaching faster than expected."
Alternatives: "a clear sign" or "a strong signal".
It has been shown that multiple QTL models, similar to the presented BSSVS model, give a sharper indication of the QTL position [ 11], and a simulation study showed that it is possible to distinguish the effects of two QTL that are only 15 cM apart [ 27].
Each of these indicators thus has a relatively narrow transition range, and each is capable of giving a sensitive, sharp indication of the completion of a reaction, that is, the end point.
If we can beat the Saudi arms deal in the House, it will be a sharp, fresh indication that the House doesn't care about geopolitical US leadership blah blah very much.
Webb was not an astronomer, but head of NASA in the 1960s a sharp indication of how the balance of power has shifted between scientists and bureaucrats.
The fitting of multiple QTL gave a much sharper indication of the QTL position than a single QTL model using multitrait data, probably because the multi-locus QTL mapping reduced the carry over effect of the large DGAT1 gene to adjacent putative QTL positions.
The Supreme Court's ruling on Monday barring mandatory life sentences for juveniles convicted of murder was the sharpest indication to date of a shift in how the American judicial system views young felons — from irredeemable predators to victims of circumstance with a potential for rehabilitation.
While critics of Netanyahu's period in office note that his expansion of Jewish settlement construction in disputed land has always reflected a disinclination to deal honestly with the prospect of a Palestinian state, Monday's remarks are the sharpest indication that he has abandoned the pledge he delivered in 2009.
The sharpest indication of this split is in Germany, where many say they would not want to support a Nato partner facing Russian aggression.
The sharpest indication of this comes in "No Tomorrow", whose outsider protagonist isn't some Wilde-an gutter-dweller staring at the stars, but an aimless, moribund idler trapped in sink-estate hell.
Yet, the reason for the narrowing of the deficit was primarily a sharp decrease in imports, an indication that consumers had cut their spending drastically.
