| 摘要 |
<p>A seismic source array (15) comprises a plurality of seismic sources (26) arranged about a central point of the source array (15) in such a way that an imaginary circle drawn with said central point at its centre and containing all of said seismic sources (26) can be divided into at least three whole sectors, each of which contains a substantially identical arrangement of seismic sources (26).</p> |
