调整天线的位置和方向以达到最佳接收效果。Adjust the aerial's position and direction for the best reception.编码信号由碟形卫星天线接收。The coded signal is received by satellite dish aerials.大约6万用户拥有特殊的适配器来接收和转换信号。About 60,000 subscribers have special...
在已研究过的聚合体系中链段重排是重要的速度决定步骤.In the polymerization systems studied, segmental rearrangement is the important rate - determining phenomenon.我们可以用两种主要方法重排这个方程.We can rearrange this equation in two main ways.这本书要重排铅字.The rearr...