Communications are still very imperfect, but have been greatly improved of late years.
Even an exceptional salesperson has an imperfect memory.
Owen's Dasornis, of the London Clay, known from an imperfect cranium, and E.
But the knowledge was very imperfect; neither was it much clarified by H.
The above statements, though correct as far as they go, are an imperfect account of the nature of the radiation from a coupled antenna, but a mathematical treatment is required for a fuller explanation.