centres of gravity

Aiming at the bigger computing error caused by the computing method depending on centres of gravity, an improved method is put forward.

并针对重心法计算容量误差大的弊病，提出了一种改进的计算方法。

互联网摘选

In fact, as political 、 economic and cultural centres of gravity moved eastward in China, moving eastward of economic centre of gravity in Yunnan was its inevitable result.

可以说，云南经济重心的东移是整个中国政治、经济、文化重心东移南迁大势下的必然产物。

互联网摘选