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。
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。
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。
Our current CDs and DVDs store data along a narrow spiral track in a thin layer of polycarbonate plastic.
我们现在的CD和DVD沿着一个狭窄的螺旋轨道把数据储存在一个微笑的塑料里。
Drill holes on the top of the doorway according to the hole position on the guiding track. Fill in plastic plug when necessary.
根据导轨孔位在门洞上端钻孔，必要时打入胶塞。
Or in the foam concrete cover with a 0.05 m thick porous asphalt layer and plastic layer, then can make the track and field with the runway.
或者在泡沫混凝土上盖上一层0.05m厚的多孔沥青层及塑料层，则可作田径跑道用。
Or in the foam concrete cover with a 0.05 m thick porous asphalt layer and plastic layer, then can make the track and field with the runway.
或者在泡沫混凝土上盖上一层0.05m厚的多孔沥青层及塑料层，则可作田径跑道用。
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