他们的数制是袭用巴比伦人的，以数字6的倍数为基准。

Their numerical system, derived from the Babylonians, was based on multiples of the number six.

古典诗词中意象因袭是很常见的现象，被频繁袭用的意象已演变为公共意象。

The coped images are common in the classical poetry. Images frequently followed by have become the public images.