叶: leaf; foliage元: first; primary实: solid度: surmise; estimate叶元体实度: solidity of blade elements元实: motomi; motozane实度: density; solidity ratio叶元体: blade element叶元铮: ye yuanzheng捣实度: degree of ramming坚实度: compactness; consistency; firmness紧实度: degree of compaction; degree of packing; degree of ramming密实度: compaction degree; consistency; degree of compaction; degree of compactness; degree of density; degreeofdensity压实度: compactness; degree of compaction真实度: degree of; trueness忠实度: informativeness叶元攻角: attack angle of a blade element叶元轨迹: blade element path叶元进角: advance angle of blade element叶元理论: blade element theory叶元速度图: velocity diagram of propeller blade element叶元效率: efficiency of blade element对元实收腹: bicycle多元实在论: pluralistic realism秋元实花: mika akimoto