Now list the available instances on the machine and confirm your instance existence.

现在列出计算机上的可用实例，并确认您的实例存在。

youdao

The instance fields of the singleton will not be globally unique. Because several VMs are involved for what appears to be the same object, several singleton objects might be brought into existence.

原因在于多个虚拟机都可以涉及到相同的单实例类，这些单实例对象可能会同时存在于上下文中，从而导致这些单实例对象并不是全局唯一的。

youdao

The first element simply checks for the existence of a Machine instance in the working memory.

第一个元素只检查工作内存中是否存在一个 Machine 实例。

youdao

In one instance, Kazakhstan revealed the existence of a ton of highly enriched uranium and asked the United States to remove it, lest it fall into the wrong hands.

CENTERFORSECURITYPOLICY: Condi Rice signals the jig is up for Saddam

Novels, plays and symphonies are different, in that their existence as works of art does not depend on a particular physical instance.

ECONOMIST: A ��right�� too far