Overall the absolute level of product regulation fell between 1998 and 2008, and the variation between countries lessened.
总体来说，1998年至2008年，世界生产监管的绝对水平有所下降，同时，国家之间的差异有所减少。
2
Gravity instruments are designed to measure variation in the force of gravity from one place to another rather than the absolute force itself.
重力仪的设计是为了测量一处到另一处的重力变化，而不是绝对重力值本身。
3
The paper gives the definitions of monotonic function, bounded variation function and absolute continuous function, and discusses the relationship of the three.