Aerotropism A TROPISM in which the orientating stimulus is oxygen.
激方向为氧气的向性运动。
激；剌激物；促进因素（stimulus的复数）Aerotropism A TROPISM in which the orientating stimulus is oxygen.
激方向为氧气的向性运动。
Autonomic movements (autogenic movements;spontaneous movements) Movements of plants in response to internal rather than external stimuli.
对激做出反应但不趋向激源的运动。
Difference limen (07) The minimum change in stimulus that can be detected.
最小可覺差(07)
官能夠區別差異的最小激。
Cleavable block copolymers could be cleaved into separate homopolymers under external stimuli (such as heat, light or agents).
这聚合物在外部激下（如热、光、特殊试剂等）可以发生
，
而变为两段均聚物。
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