The long running back-end call is simulated.

这里模拟了耗时的后端调用。

youdao

The three interfaces were simulated in the system. After entering system, SP can simulate the NMSC and NSAG to call itself interface, also can simulate itself call NSAG interface.

本系统对上述三类接口进行模拟，SP进入系统后可模拟NMSC和NSAG调用SP的接口，也可模拟NSAG接口被SP调用。

youdao

And they were kind enough to send us this magnetic tank which we'll call forth from the computer solutions to a series of problems that would occur on a simulated flight to the planet Saturn.

他们很友善，送给我们这个有磁性的水槽,用于计算机解决一系列,土星模拟飞行中,可能出现的问题。

哈佛公开课 - 计算机科学课程节选