短語和例子 U, u (pl. U's, u's ) 1.英文字母表第二十一字母。 2.U 字形的東西。 3.〔U〕 鈾的符號(＝ uranium)。 U-bolt U 形[馬蹄]螺栓。 U-tube U 字管。 4.〔U〕 〔口語〕上流社會的，上層階級的。 5.〔U〕 〔英國〕(影片等的) U級〔表示老少咸宜，美國的對應分級符號為G〕。
the 21st letter of the Roman alphabet 同義詞：U,
(chiefly British) of or appropriate to the upper classes especially in language use
U (named u , plural ues,"U", Oxford English Dictionary, 2nd edition (1989); Merriam-Webster's Third New International Dictionary of the English Language, Unabridged (1993)Brown & Kiddle (1870) The institutes of English grammar, p. 19.
例句與用法
1.
Let u and v be nonconsecutive vertices on c . 設u和v是c上不相鄰的兩個頂點。
2.
a complex n×n matrix u is called unitary if u*u=in. 一個復nn矩陣U如果U*UIn，則稱它為酉矩陣。
3.
This can be extended to nxn tridiagonal matrix with l, u bidiagonal . 把它推廣到nxn三對角線矩陣使具有兩對角線的矩陣L、U。
4.
The syntax analyzer has one recursive procedure for each nonterminal u . 對于每個非終結符號U，語法分析程序都有一個遞歸過程。
5.
We must consult the poets in order to find out about the quantity of a, i, and u . 我們要知道a，i和u的音量，就只好去請教詩人。
6.
We can show that u(x, t)can be determined at every point inside the parallelogram oacb . 我們可以證明，u（x，t）可以在平行四邊形OACB內部的每一點上被定出。
7.
In structural mechanics it frequently happens that the force p is instrumental in causing the displacement u . 在結構力學中，經常遇到力p是引起位移u的原因。
8.
The essence of the problem is the development of a relationship between t and u over the range of y of interest . 問題的要害在于要推導出在整個感興趣的Y范圍內的T與U之間的關系。
9.
The land within such a bend of a river U形河曲內的土地在有這樣的彎管的河里的地
10.
At ease , when the cops came u gave them my name 人越愛越糊涂愛極糊涂我卻感覺到
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