The engine is smoothly re-engaged whenever the battery status approaches a low charge level or the electronic throttle opening requires acceleration beyond the 50 KPH operatinglimit.
On some operating systems, there is a strict limit on the number of images you can have at any one time, so you must be aware of this restriction when using them.
在某些操作系统上，对任一时间内可拥有图像的数量有严格限制，因此使用它们时必须注意这一限制。
3
The operating system imposes a limit on the amount of memory that can be locked.