即使没有统计成绩的曲线图表，作弊也会“毒害”课堂，其他人可能会感到竞争压力过大而加入作弊的行列。

Even if there is no curve, cheating "poisons" the classroom, and others may feel pressured to join in.

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曲线图表明，家庭收入比例急剧下降，只占总数的13%。

The curve graph shows that the percentage of family income has declined sharply, accounting for only 13 percent of the total.

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图一中的曲线图表明三个项目的数据。

The graph in Figure 1 shows this data for three projects.

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