The Greeks used the water clock, or clepsydra.

希腊人使用的水时钟，或秤。

youdao

The Romans invented a clepsydra consisting of a cylinder into which water dripped from a reservoir; a float provided readings against a scale on the cylinder wall.

罗马人发明的一种漏壶则是让水从蓄水器滴入一圆筒，筒内有一浮子，在筒壁的刻度尺上指示读数。

youdao

The steelyard clepsydra, a special type of clepsydra, had been a chief time-keeping instrument during the Sui-Tang period a nd the earlier stage of Northern Song dynasty.

秤漏是一种特殊类型的漏刻，在隋唐及北宋前期曾是司天机构的主要计时仪器。

youdao

The steelyard clepsydra, a special type of clepsydra, had been the chief timekeeping instrument during the Sui-Tang period and the earlier stage of the Northern Song dynasty.

秤漏是一种特殊类型的漏刻，在隋唐及北宋前期曾是司天机构的主要计时仪器。

youdao

According to the record of ancient documents, this paper gives the possible structure of li Lan's steelyard clepsydra, and demonstrates the principle for the stabilization of average flow velocity.

根据古文献记述，李兰秤漏很可能是使用弹簧联结权器和秤钩，以达到平均流速稳定的目的。

youdao

According to the record of ancient documents, this paper gives the possible structure of li Lan's steelyard clepsydra, and demonstrates the principle for the stabilization of average flow velocity.

根据古文献记述，李兰秤漏很可能是使用弹簧联结权器和秤钩，以达到平均流速稳定的目的。

youdao