dual broadcasting

例句：

1. 1. The government has implemented a dual-broadcasting system to improve the efficiency of its communication channels.
   政府实施了一项双频道广播系统，以提高其通信渠道的效率。
2. 2. The company's dual-broadcasting strategy is aimed at reaching a wider audience and increasing brand awareness.
   公司的双频道广播策略旨在触及更广泛的受众并提高品牌知名度。
3. 3. In recent years, dual-broadcasting technology has become increasingly popular in the field of entertainment, allowing viewers to enjoyboth live and recorded content simultaneously.
   近年来，双频道广播技术在娱乐领域越来越受欢迎，观众可以同时欣赏现场和录制的内容。