义务工 voluntary labour service;
热门单词
- 二次喷射控制 secondary injection control;
- 二次发射曲线 secondary emission curve;
- 二次回路 {冶} secondary circuit;
- 二次回采 second working [recovery];
- 二次因子 second order factor;
- 二次固结 secondary consolidation;
- 二次图像 secondary image;
- 二次型[形式] {数} quadratic form; quadric form;
- 二次域 quadratic field;
- 二次多项式 {数} quadratic polynomial;
- 二次子样 secondary sample
- 二次子程序 secondary subroutine;
- 二次孕育剂 post inoculant;
- 二次孕育 late [post] inoculation;
- 二次存取地址 second level access-address;
- 二次定型加工 secondary sizing operation;
- 二次对偶问题 quadratic dual problem;
- 二次对称轴 diadaxis; axis of binary symmetry;
- 二次导数 second derivative;
- 二次差 second difference;
- 二次差分 second order difference;
