The stringquantity can be accurately measured, and is easy to adjust. The utility model has the advantages of safe operation, lower working capacity and lower labor intensity.
串量测量准确易于调整，操作安全，减少了工作量，降低了劳动强度。
2
Along with the increasing stringquantity, correlation algorithms of string are also being widely studied, which provides profound theoretical basis for its application in other fields.
在不断丰富的同时，字符串的相关算法也是不断被研究，为其它应用打下厚实理论基础。
3
Each string is the name of an item, and the corresponding number in the associative array is the quantity of that item in the cart.