The phrase "a capital importance" is not correct in English; it should be "of capital importance." You can use it to emphasize the significance or critical nature of something in a formal context.
Example: "The findings of this research are of capital importance to our understanding of climate change."
Alternatives: "of great importance" or "of utmost importance."
Moses had long been a figure of capital importance for Freud; indeed Michelangelo's famous statue of Moses had been the subject of an essay written in 1914.
I would like to restate, quite categorically, that developing countries feel that this World Food Summit is an initiative of capital importance.
This paper strives to make a cogent argument and highlight the capital importance of information and communication technologies in organizing and leveraging scarce resources for cancer education, research and practice in developing countries.
Since rapid control prototyping (RCP) requires "finely-tuned" models of the equipment under investigation, an accurate definition of the nonlinear friction model is of capital importance for assessing the qualification of the proposed algorithms.
HOs were asked to answer the question: "Which things are of capital importance to you personally in your medical training?", using a free text format.
Of capital importance is the synergistic behaviour of PBTZ169 and bedaquiline, a drug recently approved for the treatment of multidrug-resistant tuberculosis, and with the classical drug pyrazinamide.
In the Monitor team, her knowledge of architecture, art and sculpture were of capital importance to Wheldon, the editor.
This inconvenient script and the nature of the documents make Mycenaean inscriptions harder to exploit and less rich in data than the later alphabetic inscriptions, but the information that can be gathered on the state of Greek five centuries before Homer, incomplete as it may be, is of capital importance.
