# Yahoo奇摩字典 網頁搜尋

### intersection

• IPA[ɪntəˈsɛkʃ(ə)n]

英式

• a point or line common to lines or surfaces that intersect；a point at which two or more things intersect, especially a road junction
• #### noun: intersection, plural noun: intersections

• 釋義
• n.
名詞
• 1. a point or line common to lines or surfaces that intersect:

the intersection of a plane and a cone

• 2. a point at which two or more things intersect, especially a road junction:

a red light at the intersection with Brompton Road

• 3. an act of intersecting:

his course is on a direct intersection with ours

• 更多解釋

### intersection

• IPA[ˌin(t)ərˈsekSH(ə)n]

美式

• n.
a point or line common to lines or surfaces that intersect:
• the intersection of a plane and a cone

2. ### 知識+

• #### the angle of intersection

找兩條曲線在 (π/2, 0)這點的交角 先求切線斜率 y = sin 2x ==> y' = 2 cos 2x ==> 在(π/2, 0) y' = - 2 = m1 y = cos x ==> y' = - sin x ==> 在(π/2, 0) y' = - 1 = m2 根據 tan 的和角公式得知，兩條切線的夾角之 tan 值會是 (m2 - m1)/(1 + m1*m2) = 1 / 3 因此兩條曲線的交角為 arctan (1/3) 大約是 18...

• #### 請幫我翻譯單字及句子~簡易

1. Intersection 十字路口 There is a car accident at the Intersection...

• #### 英文翻譯<英翻中>及英文文法共四題

*Route 40 intersection with theater是指什麼?? - 這是完整的句子嗎? 可以提供上下文...歡迎.... 意思是..主持人叫在座觀眾拍手歡迎.... *Route 40 intersection with theater是指什麼?? - 需要上下文,,好像不完整... - 暫解釋為...