您要查找的是不是：
- Determines whether the XML element where the XmlReader is currently positioned has a null attribute set to the value true. 确定XmlReader当前定位的XML元素是否将某个空属性设置为值true。
- Allow or prohibit NULL for each attribute. 为每个属性指定是否可以为空。
- The state or quality of being null. 无效无效的状况或性质
- The sword is an attribute of a fighter. 剑是斗士的象征。
- - Note: Actually, in these example queries, coalesce should be used to prevent a single NULL attribute from causing a NULL result for the whole document. + :'''注意：'''实际上，在这个简单的查询里，必须使用联合以避免一个 NULL 属性导致整个文档的 NULL 结果。
- The sceptre is an attribute of kingly power. 节杖是国王权力的象徵。
- Politeness is an attribute of a gentleman. 彬彬有礼是绅士的本色。
- The act of making null and void. 废除使 ... 作废和无效
- Politeness is the attribute of a gentleman. 温文有礼是绅士的特质。
- The act of linking a value to a particular attribute. 将一个值与一特定属性相连接的动作。
- The contract was null and void because it was not signed. 这个合同无效，因为它尚未签字。
- null attribute 空属性
- The court ruled that the claim was null and void. 法庭裁决此项要求无效。
- Do you think it proper to attribute weakness to women? 你觉得把软弱当作女性的属性适当吗?
- The marriage was declared null and void. 婚姻已宣告无效了。
- They attribute their success to their teacher's encouragement. 他们把成功归因于老师的鼓励。
- A scepter is the attribute of power. 权杖是权力的标志。
- The null subset corresponds to the term 1. 空集则对应于常数项1。
- A null reference pointer was passed to the stub. 向占位程序传送了空的索引指针。
- A property, a factor, or an attribute that is not essential. 非主要特性，次要方面非主要的，非本质性的特征、特点或特性
