Warp and weft knitting, although so similar when their loop construction is viewed from its face side, are quite different in their mechanical behavior and properties.
虽然从正面观察，经编和纬编织物的成圈结构是相似的，但它们的物理和机械性能有很大的差别。
People may present themselves in various ways: face-to-face, side-to-side, or even back-to-back.
人们常常有各种表现形式：面对面的，侧面相对，甚至是背对背。
People may present themselves in various ways: face-to-face, side-to-side, or even back-to-back.
人们常常有各种表现形式：面对面的，侧面相对，甚至是背对背。
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