| 摘要 |
A checking and measuring system includes a checking and measuring mechanism, and a strength measuring element; the checking and measuring mechanism includes a rail, a moving rod positioned within the rail, a rotating power source connected to the moving rod, a sliding member movably connected to the moving rod and sliding along the rail, a first testing rod fitted on the sliding member, and a second testing rod fixed next to one end of the rail; the strength measuring element is fitted to the second testing rod; when a person holds both the testing rods with one hand, and holds a container containing a heavy metal pollutant with the other hand, with the index finger touching a piece of metal having the same element, strength of his/her hands will be measured, and the amount of the heavy metal in this person's body will be obtained based on results of measurement.
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