accountants' checks and calculations的用法和样例：
- Determine cotton roll-the uniform of meter(yard) sectional length and practical length. Check and calculate the specific elongation of cotton roll.
- The prudence principle is carried out in the whole course that the accountant checks and calculates, such as confirming standard, measuring and recording methods, and financial report contents.
- We accept only traveler's checks and credit cards.
- The strength of thread and octagon portion is also checked and calculated.