omni-directional antenna的用法和樣例：
例句
- A new millimeter-wave omnidirectional dielectric rod metallic grating antenna is developed successfully.
研制成功了一種新型金屬柵加載毫米波全向天線(xiàn)。 - The indoor ceiling omni-directional antenna is usually installed on the ceiling to provide omni-directional coverage indoors.
室內吸頂全向天線(xiàn)一般安裝在室內天花上，用作室內的全向覆蓋。
