The step board consists of magnet which can produce magnetic field during swinging and vibrating.

踏板具有磁石，摆动时产生磁场能促进气血循环，保持健康。

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The utility model provides a constant magnetic field spoon shape bone-setting board used for the internal fixation of fracture of the area of the metaphysis of four limbs.

本实用新型提供了一种用四肢干骺端区域骨折内固定的恒磁场匙状接骨板。

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When Cluster II passes through these so-called polar cusps, instruments on board each of its satellites will measure the magnetic field, electrical current and number of charged particles within the tetrahedron.

ECONOMIST: Birds of a feather