alloc

alloc

1

To create a new object ( in this case , the string that will be returned ), first alloc the object and then initialize it .

要创建一个新对象（这里是将返回的字符串），首先分配对象，然后初始化对象。
2

These are not as common as instance methods , but you will often see class methods that are factory methods for creating new instances of the class ; this saves you from having to alloc and initialize .

它们不像实例方法那样常见，但您将会经常看到一些类方法，它们作为创建新的类实例的工厂方法；这免得您必须进行分配和初始化。
3

Because the resources are allocated among several cell range , distributed coding structure also can improve the resource alloc success probability of the users in heavy cell .

由于可以在多个小区范围内分配资源，分布式编码结构也能提高在繁忙小区用户的资源分配成功率。