频段卫星电视地球接收站通用规范: general specification for ku-band satellite television earth receive-only station
清晰: limpid; vivid; distinct; clear 短语和例子口齿清晰 a clear ut-utterance; 发音清晰 a distinct pronunciation; 条理清晰的陈述 a clear statement; 字迹清晰 write in a clear hand; 清晰的头脑 a lucid mind; 清晰可辨 clear and dist
