Electrical wave (EW) transmission in plant is caused by either action potential (AP) or variation potential (VP).

叶片可引起动作电波、变异电波和持续电波震荡在茎中传递。

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Variation potential (V. P.) transmission in the xylem of willow plantlet was recorded using outside cell electrode records.

用胞外电极记录了柳茎木质部中的变异电波传递。

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To discover electrical signals exist with action potential, variation potential, composite potential, oscillatory potential and electrical signals in variation potential etc.

已发现的电信号有动作电波，变异电波，复合电波，振荡电波及波中波等多种类型。

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The term should be restricted to that part of the deposit where production planning is taking place and for which any variation in the estimate would not significantly affect potential economic viability.

FORBES: But Every Generation Does Indeed Exhaust Its Mineral Reserves