Sentence examples for yet been observed by from inspiring English sources
In the Kii Peninsula, a long-term SSE has not yet been observed by GPS and leveling data since 1980 (Kobayashi 2013).
Even though efficient human-to-human transmission of the A (H5N1) virus has not yet been observed (by any mode), transmission of influenza A (H5N1) by aerosols from geese to quails has been demonstrated in the laboratory (33 ).
To dwell in a bubble and yet be observed by millions: to grasp that paradox, in the sixties, you had to be a Beatle, or else a man on the moon.
Female dispersal and group transfer has not yet been observed.
However, such an occurrence had not yet been observed in living human cells.
In Malawi, these phenomena have not yet been observed.
No recent duplications of D-Ldh have yet been observed.
The mortality in later ages has not yet been observed.
Oscillations have not yet been observed in Drosophila Kenyon cells.
Evidence of life may yet be observed, perhaps by a tell-tale chemical disequilibrium in the atmosphere of a distant planet.
Yet the action, which is observed by liveried servants and a small male audience, maintains a formality that accords with the essence of opera seria.
