after several experiments
经过几次实验
以上为机器翻译结果，长、整句建议使用 人工翻译 。
After several experiments, we noticed that the main problem associated with the error in modulus estimation is the way that the strain is being measured during the test.
经过多次实验，我们发现，与模量估算错误相关的主要问题是测试期间测量应变的方式。
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