The group function is a complex beast, so I only give a brief example here.
group函数是一个异常复杂的函数，所以我在这里只给出一个简短的示例。
MongoDB also provides a group function for performing actions like you would do in a group BY expression in SQL.
MongoDB还为执行类似于SQL中的groupBY表达式的操作提供了group函数。
Conclusions Except for canine protection or group function, there are other lateral occlusal patterns in the natural dentition.
结论自然牙列侧方接触形式除尖牙保护与组牙功能外还存在其它一些型。
The paper puts forward the reengineering strategy of organization structure, industry structure, group function, which is being implemented.
提出了多种经营系统的组织结构、产业结构、总部职能的重组战略，这正在实施中。
Second, it has an inner for-each-group that calls the current-group function to get all of the items in the h1 group and create subgroups out of those.
其次，它包含一个内部 for-each-group，后者调用current-group函数获取h1组中的所有项，并使用它们创建子组。
An optimal operation model for group function of hydropower station is set up based on the basic principle of decomposition-coordination for big system.
本文根据大系统分解协调方法的基本原理，建立了水电站群优化调度模型。
After six months, researchers found the high protein group had significantly improved their muscle function—almost twice as much as the control group.
六个月后，研究人员发现高蛋白组的肌肉功能明显改善——几乎是对照组的两倍。
Based on the relationship between the group delay function and the cepstral coefficients, the denominator polynomial coefficients can be determined.
根据群延迟函数与倒谱系数之间的关系，可以确定分母的多项式系数。
To accomplish this conversion, we first have to create a FROM SQL transform function and then associate that transform function with a transform group.
为了完成这个转换，首先必须创建一个FROMSQL转换函数，然后用转换组将转换函数联系起来。
An operation can be a relational operator, a system - or user-defined function, or an SQL operator, such as GROUP BY, ORDER BY, and so on.
操作可以是一个关系运算符，或者系统或用户定义的函数，也可以是一个sql操作符，例如GROUPBY、ORDER BY等。
Like the counting function, when several aggregations with grouping keys are used in a rule, the group and count operations must be cascaded as shown in figure 14.
与计数函数类似，当在一个规则中使用多个具有分组关键字的聚合，对分组与计数操作必须进行级联，如图14所示。
Keywords are mostly important for the search function because users can find my group if they look for one of my group's keywords.
关键字对于搜索函数非常重要，因为用户如果搜索我的群组的一个关键字就能够找到我的群组。
The tai chi group also showed marked improvement in measures of physical function, cognitive tests and blood tests measuring levels of inflammation.
练太极的一组还显示了在身体功能、认知测试和血液检验衡量炎症水平有明显的改善。
It provides function to create and manage network-based group definitions and associated lists of members of those groups.
它提供了创建和管理基于网络的组定义及关联的组成员列表的功能。
Spread out over a large area, a group could function as a powerful mobile sensor net, gathering information about what's out there.
在一个大区域里展开后，一个群体的作用如同一个强大的移动传感网，它能够收集到那里所出现的各种信息。
The intermediate result that is returned to DB2 contains the usual counter (needed for the DB2 MAX function) and the actual weighted average that we have so far for the current group.
返回给DB2的中间结果中包含着常用的计数器(DB 2max函数需要)，以及当前分组到目前为止计算出来的实际加权平均数。
This binary string is comprised of the usual counter, which is needed for the DB2 MAX function to do the actual aggregation, the identifier for the aggregate object, and the group identifier.
这个二进制串由常用的计数器(DB 2max函数进行实际聚集计算时需要)、聚集对象的标识以及分组标识构成。
Don't use the GROUP BY clause without an aggregate function.
不要使用不带聚合函数的“GROUPBY”子句。
The EXTRACT function is a very efficient way to select a group of values, but if the expected result set is just a single object then you are better off using the CHOOSE function previously discussed.
EXTRACT函数是选择一组值的非常高效的方法，但是如果预期的结果集只是单一对象，那么最好使用前面介绍的choose函数。
The group compared people's use of "function words," which rarely carry any meaning on their own, but help build context in conversations.
研究小组对比了人们对“虚词”的用法——虚词几乎不表达它们自己的意思，但是有助于对话上下文的建立。
It is possible to group several lines using the XMLAGG function.
可使用xmlagg函数对多个行进行分组。
Your estimate (in function points) is verified against the International Software Benchmarking Standards Group (ISBSG) repository of actual project results.
您的评估(在功能点方面)将通过实际项目结果的国际软件基准组织(International Soft ware BenchmarkingStandards Group,ISBSG)存储库进行验证。
There is no function to remove users from a group; however, if you use the administration process (AdminP) to remove users entirely, they will also be removed from groups.
还没有能够从组中删除用户的函数；但是，如果使用管理过程(adminp)彻底删除用户的话，那么这些用户将从组中被删除。
set_curr_task: This function is called when a task changes its scheduling class or changes its task group.
set_curr_task：当任务修改其调度类或修改其任务组时，将调用这个函数。
This function is called when the execution group loads the user exit .lel loadable file.
此函数在执行组加载用户出口 .lel 可加载文件时调用。
If the Local Disk Caching function is invoked, then nimadm will create the client file systems in a volume group on the nim master.
如果LocalDiskCaching功能被调用，那么nimadm将在nim主机上的一个卷组上创建客户机文件系统。
The management of the group Permissions for the action is now simply a user and group administration function.
GroupPermissions的管理现在仅仅是一个用户和用户群的管理功能了。
The researchers gave the group tests involving cognitive skills, and found an overall 30% improvement in mental function by the end of the 4-month period.
研究者同时对受测者进行了认知能力的测试，发现受测者的心智功能普遍增长了30%。
The researchers gave the group tests involving cognitive skills, and found an overall 30% improvement in mental function by the end of the 4-month period.
研究者同时对受测者进行了认知能力的测试，发现受测者的心智功能普遍增长了30%。
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