1. "Inadvertent pollution" refers to the unintended introduction of a material that causes plant damage. “不被注意的污染”涉及无意中引进的物质造成对植物的危害。
2. To prevent the unintended use of obsolete documents, and to apply suitable identification to them if they are retained for any purpose. 防止作废的文件非预期的使用，若因任何原因而保留作废文件时，对这些文件进行适当的标识。
3. This is the next statement that will be executed. To change which statement is executed next, drag the arrow . This may have unintended consequences. 这将是下一个执行的陈述式。若要变更下一个执行的陈述式，请拖曳箭号。这可能造成未知的后果。
