These services include map service, map catalog service, map querying service and thematic map service, etc.
服务主要包括：地图服务、地图目录服务、地图查询服务、地质图专题服务等；
Updating the catalog statistics would provide the optimizer with the most current map to navigate quickly through the terrain.
目录统计信息的更新将为优化器提供最新的地图，以便在整个地形中快速定位。
In that interaction, the catalog service returns information about the grid, including a complete routing map defining the location of all grid partitions and the associated key space for each.
在这种交互过程中，目录服务会返回关于网格的信息，包括完整的路由图(定义所有网格分区的位置)和各自的相关密钥空间。
You could use a List or a Map to implement the relationship; however, a Map offers the advantage that it can provide fast lookup given, say, the book catalog number as the key.
可以用List或Map实现这个关系；但是Map提供的优势是它能提供快速的查询，也就是说用图书目录编号作为键。
She flew to Nairobi, the capital of Kenya in 1991, armed only with a catalog of products and a map.
1991飞往肯尼亚的首都内罗比，随身只带了产品编目和一张地图。
Similarly, I'll map Part 3's privateCatalog (a secured proxied bean configured in Listing 3 of Part 3) to the privateData property of the catalog managed bean of Listing 2 above.
类似的，将第 3部分的privateCatalog（在 第 3 部分的清单3 中配置的受保护且执行过代理的bean）映射到上面 清单2 的托管 beancatalog 的privateData属性。
The capacity, store manner, store content and read manner of the guide star catalog are key factors which influence the time and efficiency of star map identification.
导航星星库的容量，存储方式，存储内容，读取方式，是影响星图识别的识别时间和识别率的关键因素。
Only those objects which are "checked" will be shown on the map - this provides an easy way of having several objects in a catalog, and switching specific ones on or off.
只有被选中的天体才会在星图上显示出来-这样，你就可以在有很多天体的星表显示特定的星体。
This has been done deliberately, since the purpose of the quick catalog is to add objects which you want to see on the map.
快速星表特别设置成这样，是因为他的作用就是为了在星图上显示你想看到的星体。
If you add an object to a quick catalog, then provided that catalog is "active", the object will always be displayed on the map, regardless of magnitude filters, object type filters, and so on.
当你添加一个天体到快速星表，并且该星表是激活的，那这个星体在星图上就是一直可见的，量级限制、类型限制以及其他所有限制对他都不起作用。
After adding a new catalog, you will need to create a new map in order to use the new catalog.
你必须创建一幅新的星图才能够使用你刚刚添加的星表。
After adding a new catalog, you will need to create a new map in order to use the new catalog.
你必须创建一幅新的星图才能够使用你刚刚添加的星表。
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