She omitted several steps in the experiment and it failed.

她在实验中遗漏了几个步骤，结果实验失败了。

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Second, the final document has omitted or failed to place enough stress on some necessary principles and measures in the field of nuclear disarmament, such as

其次，最后文件对核裁军领域的一些必要原则和措施未提及或重视不够，例如

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