git count-objects - 看看大小
Count objects in Label 清点标记集合中的对象数量
Count all-time objects 清点标签集合曾经拥有过的所有对象
Count current objects 清点标签集合当前的对象
Objects Count 给出了当前有多少个该类的对象
It can recognize and count objects in an image or also calculate the distance areas in it.
它可以识别和计数的物体形象，或也计算距离的领域。
In a reference counting system, however, neither of the objects can be destroyed, because the reference count never reaches zero.
而在引用计数系统，这两个对象都不能被销毁，原因是引用计数永远不能为零。
In a reference counting system, each object referenced maintains a count of how many objects are referencing it.
在引用计数系统，每个所引用的对象都会保留一个计数，以获悉有多少对象正在引用它。
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