it estimates the execution cost of each potential access plan based on the statistics data stored in catalog and statistics tables, and selects the one with the lowest cost.

1、

any additional collections you add here will appear in your data source catalog in the order you specify.

您在此处添加的任何其他收藏集都将以您指定的顺序显示在数据源目录中。

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2、

are you sure you want to remove "% 1" from your data source catalog?

是否确实要从数据源目录中删除%1？

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3、

install and configure the data database catalog to find the appropriate files.

安装和配置数据库目录，以查找相应的文件。

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4、

for each xml schema, one data catalog is created, and the content of the schema is mapped to elements of the data catalog, such as business items and templates.

对于每个XML schema，创建了一个数据目录，并且该schema的内容被映射到数据目录的元素中去，比如业务条目和模板。

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5、

the "orders" business item includes an "orderitems" attribute of type "orderitem" from the same data catalog.

“Orders”业务条目包含来自相同数据目录中类型为“OrderItem”的“orderItems”属性。

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6、

these attributes could be simple types ( for example, string, integer, and boolean) or could be business items from the same or a different data catalog.

这些属性可以是简单类型（例如，String，Integer和Boolean）或者是来自相同或不同的数据目录中的业务条目。

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7、

note that you can either crawl business data catalog content now, or you can crawl it after you create a search scope.

注意，我们可以现在就对业务数据进行爬网，也可以在我们创建好范围后再爬网。

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8、

business data catalog can integrate many kinds of business applications from back-end server applications. the entities from different business applications are called heterogeneous entity.

业务数据目录可以集成来自后端服务器的多种业务应用程序，位于不同的业务应用程序的实体之间称为异源实体。

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9、

if more than one business data catalog application exists, you can choose to have multiple applications crawled in the applications section.

如果有多于一个BDC应用程序存在，我们可以在这里选择是否对多个应用程序进行爬网。

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10、

click the content source list and click the name of the content source you just created for your business data catalog application.

点击内容源列表，选择我们刚刚为BDC应用创建的内容源的名称。

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11、

net technology based service system of the geological data catalog, and makes a detailed description of its function and pivotal technology.

NET技术的地质资料目录服务系统的总体设计，并对其功能和关键技术进行详细描述。

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12、

after you create your crawl schedule, define a search scope for your business data catalog application.

在我们创建完爬网计划后，就可以开始为我们的BDC应用程序定义一个搜索范围了。

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13、

start by creating a content source for your business data catalog application and setting up a crawl schedule.

首先为我们的业务数据目录应用程序创建一个自定义内容源并配置一个爬网计划。

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14、

you can return business data catalog search results to users in a number of ways

我们可以通过很多渠道得到BDC搜索结果并返回给用户

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15、

do the role-based templates take advantage of business data catalog?

基于角色的模板是否利用业务数据目录？

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16、

the business items are created and added to an existing data catalog.

创建业务项目并将其添加到现有的数据目录中。

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17、

the lesson will be specifically connected closely to the student's levels of ability.

课堂内容将特别紧密联系学生的能力水平.

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18、

the distinction is a measure of bias, not of level of ability.

其区别是衡量偏性, 而不是衡量能力水平.

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19、

a topic-centered curriculum often proves challenging to evaluate in primary schools due to varying levels of ability.

由于能力水平参差不齐，以话题为核心的课程在小学阶段通常难以评估。

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20、

does the school cater for students of all abilities?

学校能为所有能力水平的学生提供相应服务吗？

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