短语和例子 U, u (pl. U's, u's ) 1.英文字母表第二十一字母。 2.U 字形的东西。 3.〔U〕 铀的符号(= uranium)。 U-bolt U 形[马蹄]螺栓。 U-tube U 字管。 4.〔U〕 〔口语〕上流社会的,上层阶级的。 5.〔U〕 〔英国〕(影片等的) U级〔表示老少咸宜,美国的对应分级符号为G〕。
the 21st letter of the Roman alphabet 同义词: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.
例句与用法
1.
Let u and v be nonconsecutive vertices on c . 设u和v是c上不相邻的两个顶点。
2.
a complex n×n matrix u is called unitary if u*u=in. 一个复nn矩阵U如果U*UIn,则称它为酉矩阵。
3.
This can be extended to nxn tridiagonal matrix with l, u bidiagonal . 把它推广到nxn三对角线矩阵使具有两对角线的矩阵L、U。
4.
The syntax analyzer has one recursive procedure for each nonterminal u . 对于每个非终结符号U,语法分析程序都有一个递归过程。
5.
We must consult the poets in order to find out about the quantity of a, i, and u . 我们要知道a,i和u的音量,就只好去请教诗人。
6.
We can show that u(x, t)can be determined at every point inside the parallelogram oacb . 我们可以证明,u(x,t)可以在平行四边形OACB内部的每一点上被定出。
7.
In structural mechanics it frequently happens that the force p is instrumental in causing the displacement u . 在结构力学中,经常遇到力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 . 问题的要害在于要推导出在整个感兴趣的Y范围内的T与U之间的关系。
9.
The land within such a bend of a river U形河曲内的土地在有这样的弯管的河里的地
10.
At ease , when the cops came u gave them my name 人越爱越糊涂爱极糊涂我却感觉到