首: head项: nape变数: variable变数变项变量: variable首项: first term; leader首项表: first item list; first-item list变数: defines a variable; do variable do; fluent; variable单项变换: dilatation; monoidal transformation二项变量: binomial variable前项变量: leading variable首选项变量: preference variable主项变换: change of subject【数学】首项系数。: leading coefficient链的首项: leader of chain首项编目: first item list首项列表: first-item list首项系数: leading coefficient首项元素: leading element广义单项变换: generalized monoidal transform将弱项变为强: weakness or strength将弱项变为强项: weakness or strength首项数字,前沿号码: leading number形式的首项系数: formal leading coefficient; formalleadingcoefficient变动，变数: variable变数；变分: variation
