The economics of a hit are as precisely tabulated as a McKinsey time-and-motionstudy.
一次海盗袭击的经济学数据，就好比麦肯锚的一项动作和时间研究，有条有理。
2
Seismograms are recordings of ground motion as a function of timeand are the basic data which seismologists use to study the waves generated by earthquakes.
振动图是用来记录地面随时间运动并且是地震学家用来研究地震波的基础数据。
3
This work has attracted the attention of efficiency experts andtime-and-motion-study engineer, but its value goes far beyond that.