But due to light dispersion and speed restriction of electronic devices the transfer rate is often limited and the performance is not satisfactory.

但由于光色散以及电子器件速率的限制，使系统传输速率受限，误码性能不理想。

youdao

The restriction of orbital kinematics includes that of earth parking paths earth-moon transfer path, and lunar satellite path.

其中轨道运动学约束包括地球停泊轨道约束、地月转移轨道约束和月球卫星轨道约束。

youdao

One possibility is that the Health Minister will allow the board to transfer services to England - but place a time restriction of perhaps two years on it, while in the meantime ordering Betsi Cadwaladr to build up an indigenous service in Wales.

BBC: Over-rule on the cards on health?