“root crops sowing machine”的概念、定义、翻译、参考文献-科学参考

单词	root crops sowing machine
释义	root crops sowing machine Encyclopedia 农学根茎作物播种机释 root crops sowing machine根茎作物播种机以作物根茎或块茎为播种对象的播种机械。又称根茎类种子播种机。
随便看	second order day number second-order derivative second-order design second-order difference second-order differential second-order differential equation second order discrete optimal control law synthesis second order effect second-order efficiency second-order efficient estimator second-order Euler triangle second-order functional calculus second-order language second-order logic second-order memristor second-order model theory second-order necessary condition second-order nonlinear optical effect second-order optimality condition second-order ordinary differential equation second order perturbation second order phase transition second-order phase transition second-order predicate second-order predicate calculus

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