The description of these influences may be a careful and informed extrapolation of scientific facts and principles, or it may range into farfetched areas flatly contradictory of such facts and principles.

• 对这些影响的描写，可能是对科学事实和原理的一种细致而有根据的判断，或是描写与这些事实和原理完全矛盾的令人难以置信的一些领域。