检查是否

• Check whether the end of the file has been reached before reading
  在读取操作之前检查是否到达了文件的结尾。
• 3 . verify that any new hardware or software is properly installed
  3 .检查是否正确安装了所有新硬件或软件。
• Check if headphones are connected . if they re , disconnect them
  检查是否接插着耳机。如果是，即将其拆卸下来。
• Check for adequate memory
  检查是否有足够的内存。
• You can use these values to compare with the feed tag
  可以用下面的营养指标与商品犊牛料的标签对比，检查是否满足。
• With a check for overflow
  ，并检查是否溢出。
• The data object to examine for the presence of a toolbox item container
  用来检查是否存在工具箱项容器的数据对象。
• Class checks to see whether controls are permitted in a page at parse time
  类在分析时检查是否允许在页中包含控件。
• Check for missing files
  检查是否丢失文件。
• However , the runtime checks if there are multiple instances of the control
  不过，运行库将检查是否有该控件的多个实例。