必选

• Value from which you want to extract the day
  必选。要从中提取天的
• * a resource and required attendees are available
  *可获取某一资源且必选的与会者将准时出席。
• Men leap over where the hedge is lowest
  欲跃篱笆者,必选低矮处
• You must select both horizontal and vertical position values
  水平位置值和垂直位置值都是必选的。
• * required attendees are available
  *必选的与会者将准时出席。
• The following options are required for publishing test results
  以下选项是发布测试结果的必选选项：
• Required attribute . specifies the value for the
  必选的属性。
• To save the work item , you must fill in all required fields
  若要保存工作项，您必须填写所有必选字段。
• Specifying discount rate over the length of the period , expressed as a decimal
  必选。指定每期贴现率的
• Object that contains information about the availability of the network
  必选。包含有关网络可用性信息的