Their internal clocks start counting from then, so they can calculate the date and time in the future.
他们的内部时钟从那时开始运转，使得他们能够在之后计算日期和时间。
2
Have set up counting poles on the wall corners, ladder and the corners between external and internal walls.
在墙转角处、楼梯间及内外墙交接处，已按标高立好皮数杆；
3
Through analysis of internal activity of hydraulic jump. This paper has built up the counting method of hydraulic jump profiles, and proved it with experiment data.