PZS nanotubes had a molecular structure of highly cross-linked cyclo-matrix.

PZS纳米管是高度交联的环交联型分子结构。

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For those of you strongly committed to riding your bikes year-round, consider cyclo-cross training since it combines running with cycling and lets you hone your handling skills.

对那些决意全年骑车的车手，可考虑一下公路越野训练，因为它结合了跑步和骑车，而且增强你的控车技能。

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That's where the couple keeps their road, mountain, fixed gear and cyclo-cross bikes, a workbench and bins for a host of accessories.

WSJ: A Bicyclists' House Built for Two

Here's the other thing: Cyclo-cross is fantastic for spectators.

WSJ: Cyclocross: The Other (Cooler) Super Bowl��Jason Gay