In the conductor or some solutions, the true migration is the belt electric charge granule, like free electron, ion.

在导体或一些溶液中，真正移动的是带电荷的粒子，如自由电子、离子。

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The proliferation, migration and differentiation of newborn rat's cerebellar granule cells in tissue culture were studied under scanning electron microscopy.

用扫描电镜观察体外培养新生大鼠小脑颗粒细胞的增殖、迁移和分化。

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The new technology solves significant performance problems resulting from the inefficient migration of electron charges associated with solar photons.

FORBES: Nanocone-Tips Take Solar Cell Efficiency to Next Level