trace

• The trace of a product of two factors is independent of their order .
  两因子的乘积的迹不依赖于因子的次序。
• Philip, watching his face, saw no trace of expression upon it .
  菲利浦盯住他的脸，但他的脸上没有任何表示。
• The record section shows an assemblage of such traces side by side .
  把这些道并排地集合起来，就是记录剖面。
• 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。
• It was horrible, fenceless and vast, without a trace of green .
  这是一片可怕的、无边无缘的、杳无人烟的土地。
• Each trace on this stacked cross-section is compounded of six traces .
  在此叠加刨面上的每一道由6道记录合成。
• The output from this program would be a trace of the three rectangles .
  根据此程序的输出则为三个短形的轨迹。
• He stood there probing its shadows, tracing its lingering echoes .
  他站在那观察它的阴影，追寻萦回不散的回声。
• The rest of the chemical elements occur in only minor or trace quantities .
  其余的化学元素仅以少量或微量出现。