在瑞典，游客们根本不用劳神到处去寻找电话，主要街道和公路上每隔一定距离便会有一个电话亭。

A traveler never needs to search for a telephone is Sweden: telephone booths are placed at regular intervals along the main streets and highways.

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如果碳酸根离子浓度降低超过一定限度，那么贝壳将开始溶解，甚至根本据不会形成。

If the level of carbonate ions falls too low the shells can dissolve or might never be made at all.

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我们的实验结果总是在正确的数据上有一定范围的变动，而小范围的浮动或者根本没有任何数据的变化将是造假的有力证据。

There is always a certain degree of random variability in real data, and repeated data sets that have no or almost no variability are powerful evidence of fabrication.

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