The orientations of polyurethanes resulted in a large number of the residual orientation , the stress softing and stress hysteresis , the permanent set , the higher modulus and strength of materials .

取向的结果，导致大量的硬段残留取向、应力软化、应力滞后和高变形，以及材料的高模量和高强度。

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Residual stresses and molecular orientation throughout a product provide important information about how that product will perform.

残余应力及分子取向整个产品提供了重要的资料，如何生产表演。

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The preoperative level of orientation should be achieved, although a mild degree of residual sedation is acceptable.

应该回到术前的定向力水平，即使有一点轻度的镇静残余也是可以接受的。

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