大部分深空天体没有“常用名称”，要找到它们，必须知道至少一个星表编号——大部分都有好几个。
Most deep sky objects don't have a "popular name" - if we want to find them, we need to know their catalog number, or at least one of their catalog Numbers, since most objects have several.
大部分深空天体没有“常用名称”，要找到它们，必须知道至少一个星表编号——大部分都有好几个。
Most deep sky objects do not have a "popular name" - if we want to find them, we need to know their catalog number, or at least one of their catalog Numbers, since most objects have several.
为编制综合等高星表提出了一种新的方法。
Also a new method is presented for compiling the general catalogue observed with astrolabes.
软件将使用图片和星表中最亮的恒星进行匹配。
The software will use the brightest stars in the image and in the star catalogue for the matching routine.
该文简述了巡天观测和星表编制的历史和意义。
The history and significance of the sky survey and compiling catalogs are briefly described.
对影响中国古代星表数据的各种误差进行了讨论。
A discussion of several errors of the data of ancient star catalogues of China is made.
删除之后，星表文件对后续打开的星图均不起作用。
The removed catalogs will be absent from the catalog list of all maps created after the removal operation.
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.
本选项将用来指定用以进行天文数据归算的参考星对应星表。
This section is used to select the source of the reference stars used during the data reduction process.
选中列表中的星表名称，然后单击在对话框底部的编辑…按钮。
Highlight the catalog's name in the list, and click the Edit... button at the bottom of the dialog.
按一定规则对全天星表的星信息进行了筛选并组建了导航星星库。
The guide star catalog is built with the star information selected from all-sky star catalog on some guidelines.
数据来源于第谷星表，100光年以外的恒星则采用非常近似的数值。
This is taken from the Tycho catalog and for stars further away than 100 light years or so should be taken as a very approximate figure.
指出星表误差可以看作模型不确定性的一部分，采用鲁棒滤波技术进行处理。
It is shown that the pulsar's position error can be seen as model uncertainty, and the effect of the uncertainty can be reduced by using the robust filtering technique.
本文叙述了子午星表系统误差的主要来源，等高观测的特点及等高星表的不足之处。
In this paper, the main sources of the errors in a meridian catalog, the characteristics of the equal altitude observation and the shortages of an equal altitude catalog are described.
仪器星等对正确评估星敏感器的灵敏度、捕获概率以及建立导航星表都有重要的意义。
Stellar instrument magnitudes are important for star trackers; however, there are not simple and accurate methods to estimate stellar instrument magnitudes.
利用这个期间的资料，初步研究了FK_4星表的系统误差和改进光行差常数等问题。
Using the data obtained during this period, the problems of determining the systematic error of FK_4 catalog and improving the constant of aberration are investigated.
所有的深空天体都有星表编号——事实上，正向我们前面看到的那样，大部分都有许多编号！
All deep sky objects have catalog Numbers - indeed, most have 'many' catalog Numbers as we've already seen!
在天文上，本术语指的是观测的参考星的位置(或星等)与星表上的该星的位置(或星等)的差值。
In Astrometry, the term is applied to the difference between the observed position (or magnitude) of a reference star and the position (or magnitude) listed in the star catalog.
大部分小望远镜可见的天体会出现在“梅西耶星表”或者“新通用星表”中，编号以“M”或者“NGC”开头。
Most objects visible in small telescopes with either be in the "Messier Catalog" or the "New General Catalog", and will have catalog numbers starting in "M" or "NGC" respectively.
你可以创建一个快速星表，并添加和移除目标物体，或者你也可以创建多个星表以用作不同用途-这个完全取决于你自己。
You can create one quick catalog file, and add and remove objects from it as required, or you may wish to create several different catalogs for different purposes - the choice is yours.
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。
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.
这些化合物的衍生物包括表柔比星和伊达比星。
Derivatives of these compounds include epirubicin and idarubicin.
只有查询中包含满足以下要求的星型或雪花模式的表时，优化器才可以选择星型连接计划。
The optimizer can choose a star join plan only if a query involves tables from a star or snowflake schema that meets the following requirements.
星型数据库的事实表中join子句中的列。
Columns in the join clauses in fact table of star schema database.
FACT (table)—FACT指令指定在星型连接优化中使用的事实表。
Fact (table) - The fact directive specifies a fact table to be used during star join optimization.
这是一个星型模式，由一个事实表和4个维表组成。
This is a star schema consisting of a fact table and four dimension tables.
按照典型的星型数据库设计，一个事实表包含按产品、地区和时间段排序的销售数据。
Using a typical star schema database design, a fact table might contain sales data by product, region, and time period.
星型模式要求生成并适当使用事实表和维表的主键或外键。
The star schemas require the generation and proper use of primary or foreign keys for the fact and dimension tables.
一个星型连接查询通常包含一个事实表和几个维度表，事实表和每个维度表之间都有连接谓词。
A star join query typically involves a fact table and several dimension tables, with join predicates between the fact table and each dimension table.
SETOPTIMIZATIONENVIRONMENTFACT语句针对当前会话的所有查询，用于指定一个在星型连接优化中可被视为事实表的表清单。
The SET OPTIMIZATION ENVIRONMENT FACT statement can be used to specify a list of tables that can be considered as fact tables during star join optimization for all queries in the current session.
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