有一些用户空间解决方案可以解决这个问题。例如为父类创建一个解构函数将直接释放子对象。

There are a few user space solutions to this problem, such as creating a destructor for the parent class that will release the child object directly.

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将设备模拟从管理程序推向用户空间有一些明显的优势，最大的优势涉及所谓的可信计算基础(trusted computing base, TCB)。

Pushing the device emulation from the hypervisor to user space has some distinct advantages. The most important advantage relates to what's called the trusted computing base (TCB).

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需要指出的重要一点是：Big Data空间仍然相对较新，要利用这些机会，仍然有一些技术障碍。

It is important to point out that the Big Data space is still relatively new and that there are some technological barriers to taking advantage of these opportunities.

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On the other hand there may be some other spaces that students would be encouraged to search for those who might have experiences unlike their own.

除此之外，也有可能在一些别的空间,学生们会受到鼓励，去寻找,那些和自己经历不同的人。

普林斯顿公开课 - 人性课程节选

I mean, if the energy is lower to occupy a smaller volume, then if I have this room and a bunch of molecules of oxygen, and nitrogen and what have you in the air, and there are weak attractions between them, why don't they all just sort of glum together and find whatever volume they like.

我的意思是，如果占据小的体积会使能量降低，如果我有这样一个空间,和一些氧气，氮气和其他空气中有的气体，并且分子之间还有微弱的相互作用，为什么他们不黏在一起,然后占据他们所想要占据的体积。

麻省理工公开课 - 热力学与动力学课程节选