When we plant a rose in earth, we notice it is small but we don't criticize it as "rootless and stemless".
当我们把一粒玫瑰花籽植入土壤里时，我们注意到它是微小的，但是我们并不苛责它是“无根无茎的”。
Ti shape memory alloy stemless femoral prosthesis, and traditional stemmed hip prosthesis.
记忆合金无柄股骨假体股骨上的应力分布与正常股骨相近。
Ti shape memory alloy stemless femoral prosthesis, and traditional stemmed hip prosthesis.
记忆合金无柄股骨假体股骨上的应力分布与正常股骨相近。
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