accuracy of breaking through的用法和样例：
- I can't vouch for the accuracy of my memory.
- The basin folk music culture area of Huaihe River is a demarcation line of breaking through the administrative division, and has areas of one's own cultural specialty.
- The article elaborates on various problems about process of break through of ADSL business, and points out the treatment methods.
- The Japanese landlord class and bourgeoisie are very ambitious,and in order to drive south to Southeast Asia and north to Siberia,they have adopted the policy of breaking through in the centre by first attacking China.