Relationship between condition factors and accumulative temperature under controled temperature was discussed.

分析了性腺发育、条件指数与积温的关系。

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The condition appears to result from the cumulative effect of a number of factors, with atmospheric pollutants the principal culprits.

这种情况似乎是由许多因素的累积的结果，而大气污染物是主要的罪魁祸首。

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The extent to which genes are to blame varies, but for those with the worst vision, around 80% of the condition is caused by genetic factors.

在多大程度上归咎于基因并不一定，但是对于那些视力最差的人来说，80%的情况下是由遗传因子导致的。

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Right now, the only confirmed risk factors for the condition are age, genes, and smoking, so scientists are hoping to identify things that people can do to reduce their risk for the condition.

CNN: Fish, olive oil, nuts good for eyes too, more studies find

But if only one has a condition, it is likely that environmental factors play a relatively greater influence.

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Psoriasis is a genetic condition which, when triggered by certain factors such as injury or throat infection, leads to an over-production of skin cells.

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