Directivities
(directivity 的复数) [计] 指向性, 方向性
🗣️ 情景例句
Be on your guard.
你要提防着点儿。
Newspapers keep us in contact with the events of the world.
报纸是巨大的信息来源，互联网也不能取代它的地位。
suggested an idea on which he had been working for many years to the British Government and industrial circles.
他向英国政府和工业界提出了他研究多年的一项计划。