变分方程组

canonical variable

典型变量

canonical system of differential equations 标准微分方程组 | canonical variable 典型变量 | canonical variational equations 标准变分方程

homogeneous system of linear equations

齐次线性方程组

homogeneous system of differential equations 齐次微分方程组 | homogeneous system of linear equations 齐次线性方程组 | homogeneous variational problem 齐次变分问题

homogeneous variational problem

齐次变分问题

homogeneous system of linear equations 齐次线性方程组 | homogeneous variational problem 齐次变分问题 | homographic function 单应函数

system of units

单位系统

system of transitivity 可递域 | system of units 单位系统 | system of variational equations 变分方程组

system of variational equations

变分方程组

system of units 单位系统 | system of variational equations 变分方程组 | system of vectors 向量系

system of vectors

向量系

system of variational equations 变分方程组 | system of vectors 向量系 | system with concentrated parameters 集中参数系统

it is time to do：该做......了

bring oneself to do 使自己做...... | it is time to do 该做......了 | stay in touch 保持联系

sit for the examination：参加考试

837at the top of one's voice大声地 | 838sit for the examination参加考试 | 839costumen. 服装,剧装