incidence meaning in English
n.
1.发生；影响；着落；(税的)负担；影响范围；发生率。
2.【航空】(机翼)倾角，安装角。
3.【数学】关联，接合。
4.【物理学】入射，入射角。
短语和例子
Examples
- The angle of incidence equals the angle of reflection .
入射角等于反射角。 - The incidence of gallstones increases progressively with age .
胆石症的发病率随年龄而逐渐增高。 - Naturally, the expression for oblique incidence is more complicated .
倾斜入射的公式当然要更复杂些。 - The incidence of this disease has dropped considerably in the past few years .
近几年这种病的发病率大大降低了。 - The disease is infrequent, and this makes it impossible to determine its true incidence .
本病较为罕见，故无法确定其发病率。