The boy aims at becoming an agriculturist.男孩一心想成为农学家.But young Walter Franklin was a modern agriculturist.不过年轻的沃尔特·富兰克林是位现代农业者.For agriculturist, there is interesting information on the potential and problems of natural ...
airframe aerodynamics飞机机体空气动力学The tank location for these vehicles is chosen for optimum airframe design for axial loads.这些飞行器上的油箱位置是相对轴向载荷作最佳结构设计来选择的.Since the earliest man - powered flights, airframe design has demande...