trial-and-error conditioning
反复试验条件
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The actual tests would employ the well-honed methods of operant conditioning, developed initially on pigeons, in which the test subject has first to work out what is going on by trial and error.
实际的测试会采用精确的操作性条件反射方法，测试对象首先要清楚实验的过程和错误。
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