y

• 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。
• The resultant flow out of x is equal to the resultant flow into y .
  流出X的合成流量等于流进Y的合成流量。
• That is, the regression line would tend to overestimate the magnitudes of y .
  即回归线趋于过高估计了Y值。
• The heterozygote y/y may be distinguished by the nectary color .
  用蜜腺颜色就可以确定为异质结合的（Yy）。
• The points x and y are where the bedding traces cut the horizontal surface .
  层面迹线与水平面相交于XY两点。
• he expands the right side by using the binomial theorem, subtracts y=.
  他用二项式定理展开右边，消去y
• The choice of orientation of the(x, y, z)coordinate system is, of course, quite arbitrary .
  当然，坐标系（x，y，z）轴向的选择是任意的。
• One might expect azomethane to have a y structure similar to that of acetone(ch3)2co .
  可以预期偶氮甲烷分子具有和丙酮（CH3）2CO分子相似的丫形结构。