pyramidn.金字塔；棱锥体；[证券]金字塔式交易法v.急速增加；以金字塔的模型构建pyramided grid四角锥网架pyramid scheme金字塔式骗术pyramidal sign锥体束征pyramid search金字塔方法Pyramid effect累加效应Pyramid neuron海马锥体细胞pyramidal lobe锥体叶pyramidal cell锥体细胞Pyramid of Sun太阳金字塔pyramid ratios各项比例的尖塔式(角锥形)图式