fledgeless

1. So far our country's land banking system is still in its fledgeless stage, and related research has not concluded with well-established theory.
   由于我国土地储备制度在发展上还处于初期阶段，无论在理论上还是在实践上，对土地储备制度的研究均未形成成熟的理论体系。

adj

1. (of an arrow) not equipped with feathers
   1. shot an unfledged arrow

   Synonym:    unfledgedunvaned