所述弹簧和销使得通常相邻的部件弹性地相对移动从而沿弹簧长度相对伸长。
The spring and pin permit the normally abutting components to resiliently move relative to each other to permit relative expansion along the pin length.
在大跨距条件下用悬链法计算了光缆的相对伸长量与增强层厚度的关系曲线。
The cross section areas of overhead optical cable reinforcing materical are calculated for a big span.
实验还表明，单丝的拉伸强度和相对伸长率与它的加工温度、形态和熔化程度有密切的关系。
The experiment shows that the tensile strength and elongation of monofilament depend largely on the processing temperature, morphology and fusion level.
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