您要查找的是不是：
- null access value 零存取值
- Producing product with high technology and accessional value is the inevitable choice of any enterprise. 生产高科技含量、高附加值的产品是企业在竞争中取胜的必由之路。
- Inorganic gel of bentonite is a artifactitious product and has a high accessional value. 膨润土无机凝胶是一种高附加值的膨润土深加工产品。
- The introduction of a reference provided the efficiency of a pointer, but the lexical simplicity of a directly accessible value type. 引用的引入提供了指针的效率,还具备了直接访问值类型的在词法上的简单明了。
- If the table contains less than two rows, Access returns a null value. 如果表所包含的行不到两个,Access将返回Null值。
- The state or quality of being null. 无效无效的状况或性质
- The object used to indicate a null value in a cell. 用于指示单元格为空值的对象。
- Should do when it contains a null value. 包含空值时所应执行的操作的信息。
- Replaces NULL with the specified replacement value. 使用指定的替换值替换NULL。
- Students must have access to a good library. 学生要有使用好图书馆的便利条件。
- NULL sales value found for the salesperson. 该销售人员的销售额数值为NULL。
- The act of making null and void. 废除使 ... 作废和无效
- He was denied access to the Queen. 他未被准许接近女王。
- But a null value cannot be assigned to it. 但不可赋予它空值。
- Students must get access to good books. 学生必须有机会读到书。
- Attributes that have a null value do not appear. 值为空的属性不会出现。
- It carries a null value in all the. 对象中,它的值都为空。
- Citizens may have free access to the library. 市民可以免费使用这个图书馆。
- All students have free access to the library. 所有学生都可自由进入图书馆。
- Always check the return value of new for null. 总是检查返回值是否无效。
