Because true is not a valid item, the tree grid will skip this invalid child item, which results in nothing happening.
树型网格将跳过这个无效的字条目，这就导致什么都没出现。
If it is not in the cache, you know this is a valid request and you process and store the item in the cache.
如果它不在高速缓存中，您知道这是一个有效的请求，并将这个项处理并存储在高速缓存中。
In an object model, it is perfectly valid to re-compute the total from the item lines.
在对象模型中，根据每个产品项重新计算总价格是完全合理的。
Joining the keys will never be true in this case, but is required since IBM Cognos BI requires at least one item per query subject to create a valid join.
本例中连接键不会为true，但却是必需的，因为IBMCognosBI要求每个查询主题至少要有一项，以创建有效连接。
A valid security context can be constructed using one item from each row as long as the three are connected. In policy, the user definition.
只要连接了三行，就可以使用任意一行中的条目构造一个有效的安全上下文。
For example, we can have an order business item with its attributes such as orderItems and valid.
例如，我们有order业务项目，它有诸如 orderItems和 valid 之类的属性。
By providing these when you create profile items, you can set the time that the created profile item is valid for.
通过在创建配置项时提供这些参数，您可以设置创建的配置项的有效期。
Do not initialize the name field for this project or item with a valid name.
不用有效的名称初始化此项目或项的名称字段。
The itemNumber column provides a unique identity for each item (or row) and has an attached column-level constraint that enforces a valid value to always be supplied (NOT NULL).
itemNumber列提供了每个商品（或列）的惟一标识，它上面还有列级约束，强制要求提供正确的值（NOT NULL）。
The item selected is not a valid type for this project. Please select another item.
所选项不是本项目的有效类型。请选择其它项。
Public- Private joint venture, contracting-out and concessionary dealing are all valid law paths to urban public utilities privatization, but they are choice or hybrid arrange inthe concrete item.
公私合资经营、合同外包和特许权经营都是实现城市公用事业民营化的有效法律路径，但是应依据具体项目的特征慎重选择甚至混合使用。
Finalizers have a few valid USES, which we'll cover later in this item, but as a rule of thumb, you should avoid finalizers.
终结方法有一些有效的使用，这个在本条目的后面会讲到，但根据经验，你应该避免使用终结方法。
Locating a valid parent object, given a coordinate offset or starting item in the hierarchy to search.
根据要在搜寻的阶层架构中的座标位移或开始项目，找出有效的父物件。
This topic shows the schema hierarchy for the valid elements of the Work Item Methodology schema and provides links to their corresponding reference topic.
本主题显示工作项方法架构的有效元素的架构层次结构，并提供指向相应参考主题的链接。
AC Withstand Voltage test is the most important test item to AC electric equipments, is a valid method of trying out the ability of the insulation withstanding AC voltage of tested object.
交流耐压试验是交流电气设备最重要的试验项目，是考验被试品绝缘承受交流电压能力的有效方法。
Microteaching is a kind of valid method training for the single-item teaching technical ability after subdividing the teaching process in teacher education.
微格教学是师范教育中，把教学过程细分后，对单项教学技能进行培训的一种有效方法。
Instruction: Except swimming and spa, please make reservation in advance for the rest items. Above four set tickets are valid within 24 hour from the first item started.
使用说明：球类场馆需要提前预订，从第一个消费项目起24小时内有效。
This paper is designed to test whether the multiple-choice items in one college English final examination paper are reliable and valid on the basis of item analysis.
通过对我院一份英语期末考卷的项目分析，检测其中客观选择题的信度和效度，并指出在设计考卷客观题方面应注意的问题及改进方法。
And then make item analysis, factor analysis, and validity test with SPSS after survey. The result shows that the scale is valid.
在预调查后借助SPSS对初测量表进行项目分析、因子分析及有效性检验，证明参与型体育消费者忠诚度量表信、效度都符合统计学要求。
And then make item analysis, factor analysis, and validity test with SPSS after survey. The result shows that the scale is valid.
在预调查后借助SPSS对初测量表进行项目分析、因子分析及有效性检验，证明参与型体育消费者忠诚度量表信、效度都符合统计学要求。
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