The study results show that: the shear of grout on FRP rods does not vary uniformly with the length of rod;

结果表明：在拉伸外荷载作用下，灌浆体对玻璃钢杆的剪应力并不随杆体长度均匀分布；

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Whether the length of the rod returns to the original length.

棒子的长度是否，会回到原长。

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Dr Fink's fibre consists of a hollow rod of an insulating polycarbonate material with a 30-micrometre ring of a piezoelectric polymer running along its length.

芬克博士研发出的这种纤维由一种由绝缘聚碳酸酯材料制成的空心杆组成，空心杆的内部有一种30微米的压电聚合物材料制成的环。

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In his love of angling for trout and other freshwater fish, Walton used a long rod of spliced ash and hazelwood, with a line of about the same length as the rod, made out of woven hair from a horse's tail.

WSJ: It Has Hooked Generations of Fishermen | Izaak Walton | The Compleat Angler | By H. George Fletcher