保持形状 meaning in English

relain the shape
retain the shape
returning collar lining

Ferroplasm : mined from secret locations in the astral plane , this malleable metal holds its shape only in the hands of a psionic being
星铁：这种从星界位面的秘密场所开采出来的柔韧金属只在灵能生物手中保持形状。
The distance metric is good to measure geometric errors between original mesh and the result , but it is not good for preserving the shape of the original model
几何距离能很好地控制简化后的网格与原始网格之间的误差，但在保持形状特徵上相对较弱。
Conclusion : tubular porous pga and phb precoating with collagen can be used as scaffold for constructing vessel in tissue engineering . this will be good foundation for architecture of a layered structured vessel in next stage
该支架具有一定弹性和韧性，在培养液中，能较长时间保持形状。此方法为进一步应用组织工作方法构筑具有分层结构的人造血管打下基础。