by itself

The bent strip can straighten up by itself.

这弯曲的金属片自己可以变直。

The machine will start by itself in a few seconds.

几秒钟后, 机器将自行启动。

In this model, every PC machine may logout at any time and thus may result in pintable, so the model must be adjusted by itself instantly to adapter itself to the changes.

由于P2P传输模型中，任何PC机都有可随时退出，容易造成系统的不稳定。