A common pitfall, similar to not checking for exceptions, is to fail to check the return value and for the code to proceed on the assumption that the call was successful.
与未检测异常相似，这也存在一个缺陷，即代码未检测返回值却假定调用成功而继续运行。
Checking and Correcting assumption is the perfection of the conclusion.
验证与修正侦查假设则是对犯罪现场重建结论的完善。
The teaching process develop circling these six parts which are promoting question, providing study materials, giving assumption, checking assumption, drawing conclusion, transplanting and using.
整个教学过程围绕探究式学习的提出问题、提供学习资料、提出假设、假设的检验、得出结论、迁移应用等六个环节的教学功能自然展开。
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