Directivity index
[电] 择向性指数
🧩 词语组成解析
[计] 指向性, 方向性
index
['ɪndɛks]
n. 索引;<数>指数;指示;标志;
vt. 给…编索引;把…编入索引;[经济学]按生活指数调整（工资、价格等）;
vi. [机械学]转位;
in(in)+dex(proclaim)→指针；索引；指数；食指；指标
🗣️ 情景例句
It'll only take a few minutes.
只要几分钟时间。
To be true to the husband
忠于丈夫
because they are unwilling to have their names entered as having taken out such and such a book,
因为它们不愿让人家记下它们公司的名字和借阅的某一本书。