incidence 是什么意思

音标：[ 'insidəns ]

中文翻译与英英解释

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
the incidence of the tax 税款的负担。 the incidence of taxation 征税的范围。 the incidence of disease 患病的范围。 incidence wire 倾角线。 incidence numbers 【数学】关联数。 the angle of incidence入射角。 the plane of incidence入射(平)面。

	the striking of a light beam on a surface; "he measured the angle of incidence of the reflected light"
	the relative frequency of occurrence of something 同义词：relative incidence,

例句与用法

	1.	The angle of incidence equals the angle of reflection . 入射角等于反射角。
	2.	The incidence of gallstones increases progressively with age . 胆石症的发病率随年龄而逐渐增高。
	3.	Naturally, the expression for oblique incidence is more complicated . 倾斜入射的公式当然要更复杂些。
	4.	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。
	5.	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。
	6.	This practice reduces the incidence of bare wood on trees of many cultivars . 这个措施对许多品种的植株说来，能减少光秃枝的出现。
	7.	Hypertension has been reported with widely varying incidence in embryonal nephroma . 据报导，高血压伴有胚胎性肾瘤的发病率变动极大。
	8.	Commonly a sporadic disease, actinobacillosis occasionally occurs in high incidence . 该病通常是一种散发性疾病，但偶尔也有高的发病率。
	9.	We use script letter to avoid confusion with the incidence and circ matrices . 为了避免与关联矩阵和广义圈矩阵混淆，我们利用了草体字母。
	10.	The ratio of cross-links to branches may be varied by altering the incidence of chain transfer . 通过改变引入的链转剂就可以改变交联与支链的比例。

incidence是什么意思

incidence 是什么意思

中文翻译与英英解释

例句与用法