Various running and jumping exercises on soft plastic track have been part of the training contents of sprint and other track and field items.

软性塑胶跑道上的各种跑与跳的练习，已成为短跑及其它田径项目训练内容的一部分。

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In the paper a personnel neutron dosimeter based on a CR-39 plastic track detector registering heavy recoils and alpha particles is described.

本文叙述了一种用于测量中子剂量的“直接相互作用”型的CR - 39塑料反冲径迹个人中子剂量计。

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And how soft plastic track makes the running exercise generate the training effects of specific strength by changing technology during the stance phase is also probed.

探讨了软性塑胶跑道是如何通过改变支撑阶段的技术，使此练习产生专项力量训练效应的。

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What is very interesting about this particular idea is that the bottle features a set of three clever dials that allow you to track how many plastic bottles you DID NOT USE!

FORBES: The Things We Don't Do

Not before I had selected a track to be played to me inside the plastic white doughnut.

BBC: A modern day Renaissance Man

He keeps track of the slayings on what he calls the "murder board, " a plastic board that hangs outside his church.

CNN: Names of victims fill church's 'murder board'