要得到真正的随机数,计算机不得不依赖外部资源,比如测量大气噪声的设备。
To get true random numbers, computers have to rely on external sources, such as devices to measure atmospheric noise.
对于专门的目的,通常需要这个细节级别;比如性能测量、事务审计跟踪或者小于一秒的事务。
You usually need this level of detail for specialized purposes; such as performance measurements, transaction audit trails, or transactions that take less than a second.
比如,帕斯卡是用来测量某处面积所受压力的单位。
PASCALS, for example, measure the pressure applied to a certain area.
For example, the hall prove to measure the magnetic field of a crack caring club.
比如,他们准备测量,某个地方的磁场。
For example, one of the experiments we do is measure the magnetic field of current coil, and after we do the experiment, we all have a passive visualization that shows the same experimental set-up, except we add to that.
比如,我们做的一个实验就是,测量电线圈的磁场,在我们做完实验之后,我们都感受到了一个直观化的过程,它展现了同样的实验过程,只是那是我们加的。
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