对于发生因脑内肿瘤生长而引起的并发症的患者而言，这种疾病可致命。

The disease can be fatal for patients who develop complications with tumor growth on the brain.

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但是，一旦古树正常生长发生变化，其叶内的SOD、POD活性值会升高，SOD活性升高尤为明显。

But, if the normal grown condition of tree is changed, the activity value of SOD, POD in leaves will be higher, especially SOD.

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根系内源生长素促进烟草生根，但在一定范围内，浓度较低会促进根原基的发生，而浓度较高反而抑制根原基产生，并同时能够促进根系的伸长生长。

But within certain scope, it promoted tobacco roots' primordius' coming into being When the concentration was lower, restrained which and promoted elongation of them when concentration was higher.

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