xer造句

• A number x is called an almost upper bound of a .
  数X称为A的殆上界。
• Electrons survive at least 1 x 1021 years.
  电子至少能存在1X1021年。
• x is killed by some non-zero element of a .
  X被A中某个非零元零化。
• Product y is more trouble-free than x .
  产品Y比产品X的问题要少。
• The product is the inner product of x and y .
  这个乘积是向量x与y的内积。
• Adjoin two new vertices x and y to n .
  在N中添加两个新顶点X和Y。
• Let the force in one of the bars be x .
  设其中一根杆的内力为X。
• If flag is on, branch to instruction x .
  若标志处于接通状态，则转移到指令X。
• The real numbers are called the barycentric coordinates of x .
  实数称为X重心坐标。
• Allow me to present mr. x to you .
  让我给你介绍X先生。
• Every open covering of x has a finite sub-covering .
  每个开覆盖都有一个有限子覆盖。
• In particular, x must be zero on the wall of the box .
  具体地说，箱壁上的X必须为零。
• We read a x b as "a cross b".
  AXB读作“A叉乘B”。
• This can be extended to n x n tridiagonal matrices.
  这可以推广到nXn三对角线的矩阵。
• The associated topology is the constructible topology on x .
  相应的拓扑是X之上的可构造拓扑。
• A stationary state shows a spread of possible value for x .
  一个定态表明有一个X可能值的展宽。
• This gives the following on grouping like coefficients of x .
  这样得出下面像x的系数一样数组。
• Two perpendicular lines are chosen as the x and y coordinate axes .
  选两条垂线作为x和y坐标轴。
• The equation in terms of x and y can be obtained by eliminating t .
  消去t，可以得到用x和y表示的方程。
• Human x and y chromosomes behave differently from the autosomes .
  人的X和Y染色体跟常染色体有不同的活动。