However, this method of testing, is not always safe and effective.
然而，这种测试方法不一定是绝对安全、有效的。
It is evident that this method of testing is proved to be suitable for the screening of T-2 toxin in cereals.
结论结果表明，该方法简化了粮样提取步骤，可用于谷物及加工产品中T-2毒素的检测。
This method of testing can be used as you are still developing your mappings.
仍然在开发映射时就可以使用此测试方法。
This method of testing is called controlled experimentation .
这种测试方法叫做控制实验。
This method of testing is called controlled experimentation .
这种测试方法叫做控制实验。
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