The experience depends on clinic experiments and statistics, which though not absolutely precise can also perfect itself by canceling non effective or harmful side effect herbs.

而经验是建立在试验和统计的基础上，在某些方面有可能做得不一定非常准确，但其逻辑是可以进行调整，没有用的药或者副作用大的药会被取消，或者被减量，这就是试错。

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Similar but non-absurd stimuli didn't have the same effect.

相似但不荒诞的刺激没有产生同样的效果。

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One study comparing sole and joint custody showed that neither the type of custody nor the frequency of visitation with the non-custodial parent had an effect on the child's adjustment.

一个将单亲监护权与共同监护权做比较的研究表明，监护权的形式和没有监护权的家长的不定期探访，都不会对孩子的适应产生影响。

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Ambulance officer Peter Whitaker tells Monday's World In Action programme of the effect of non-emergency calls on staff.

BBC: Hoax calls risk lives

The slides attempted to graphically depict the effect the non-settling states proposed remedy would have on Microsoft and what he likes to call the "PC ecosystem, " broadly defined as all of the companies involved in some way with the personal computer industry.

BBC: Gates cool on the stand

However, the effect of higher non-fuel costs and lower passenger traffic was offset by higher passenger fares.

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