《地球的变化转动:地球物理的因果》(The Earth’s Variable Rotation:GeophysicalCauses and Consequences)一书由英国牛津大学出版社于1980年出版,作者是澳大利亚国立大学地球物理学教授兰贝克(K.Lambeck)。该书曾于1982年4月初在北京举行的英国剑桥大学、牛津大学出版社的书展上展出。天文学家很久以前就注意到地球并非是绕一固定轴均匀旋转的,一天的长度和转动轴方向都是周期性地、小量地变化着的,这种变化乃是地球并非一个刚体的直接结果。本书作者讨论了这种运动的不规则性及其 The Earth’s Variable Rotation: Geophysical Causes and Consequences was published by the Oxford University Press in 1980 by K. Lambert, a professor of geophysics at the Australian National University. . The book was exhibited at the book fair of Oxford University Press, Cambridge, UK, held in Beijing in early April 1982. Astronomers long ago noticed that the Earth did not rotate evenly around a fixed axis, and the length of the day and the direction of the axis of rotation varied periodically and in small quantities, a direct result of the Earth being not a rigid body . The author of this book discusses the irregularity of this movement and its