It introduced a completely new music-player system, called Zune, modeled, incredibly, on Apple's closed-architecture model.

它推出一款被称为Zune的全新音乐播放系统，完全模仿了苹果封闭结构模式。

youdao

By heat balance analysis of the whole regenerative system, which is regarded as a closed thermodynamic system, the calculation model on the influence of HPs removal on heat economy of unit is derived.

以汽轮机功率方程和锅炉吸热量方程为基础，并将机组的整个回热系统视为一闭口热力系统，通过对其的热平衡分析，得到了高加切除对机组热经济性影响的计算模型。

youdao

In order to speed up the simulation process, has established the SG1524B chip behavior model according to the switching power controller behavior in closed-loop system.

在闭环系统中为了加快仿真过程，根据开关电源控制器的行为建立了SG1524 B芯片的行为模型。

youdao