单词counting-number
网络: 可数数；自然数；计数数
turn switching threshold back until status display goes out, meanwhile counting number of turns.
往回调整开关阈，直到状态指示器熄灭，这个过程中会数出旋转圈数。
Counting number means mumbers you use to count. And natural number means all positive numbers.
计数表示记数时要用到的数字，而自然数表示所有的正整数。
Study of cell"s growth curve by counting number of the cells on SEM photo
用电镜图像计数法研究细胞生长曲线
Adoption of CCD image formation system for the design of counting number machine
采用CCD成像系统的计数机的设计
meter for counting number of turns
匝数计量器
Counting number on backside of postage stamp
邮票背后用来计数的编号