In pilot and field studies, test takers took both the existing TOEIC test and the new test. Statistical analysis of the results confirmed that the difficulty level of the two tests was equivalent.
在试验研究中，考生同时参加了现行托业考试和新托业考试，考试结果的数据分析表明两个考试的难度是相同的。
Towers Trap has 3 difficulty levels, plus one experimental level, where you can test different strategies without warring about the price of the towers.
塔的陷阱，有3个难度水平，再加上一实验的水平，在这里您可以测试不同的策略，没有交战约价格塔。
The final round of tests was the same difficulty level as the initial test.
最后一组测验的难度水平与最初的一组相似。
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