Column Group Statistics obtains the number of distinct combinations of values for a group of columns. 列组(ColumnGroup)统计信息将获得一组列的不同值组合的数目。
MongoDB query results are stored in cursors that provide a range of functions for filtering, aggregation, and sorting including limit(), skip(), sort(), count(), distinct() and group(). MongoDB查询结果存储在提供过滤、聚合和排序等一系列功能的游标中,包括limit()、skip()、sort()、count()、distinct()和group()。
Blood testing has established that, compare with other draft breeds and based upon gene marker data, the Creams form a distinct group within the draft horses. 血液测试,建立与其他草案品种比较,并根据基因标记数据,膏草案马内形成一个独特的群体。
The M é tis constitute a distinct ethnic group in terms of history, judicatory, politics, language and culture. 梅蒂斯人在历史、司法、政治、语言和文化等诸多方面都构成一个特殊群体。
A distinct and often subordinate group within a group. 一个群体中不同的经常是从属的小群体。
It is nonetheless important to recognize that while refugees and migrants might use the same means of transportation, sometimes illegal, refugees are a distinct group with critical protection needs. 但是,难民和移民可能使用同样的交通方式,有时候是非法的交通方式,难民急需帮助,他们与偷渡者有区别,认识到这一点非常重要。
The genetic similar degree is 6.90 as threshold. Cluster ( UPGMA) and principal coordinate analyses identified beans of Heilongjiang province as a distinct group with the rest. 以遗传相似度0.690为阈值,经UPGMA聚类分析,可以将油豆角和普通菜豆分为两大类。
Three detection of the lower body weight newborn had the distinct difference comparing to the normal group ( P < 0. 01), but their brain's function and movement ability would regain gradually with the increase of the days. 低体重儿与正常新生儿比较,3次测定均有显著意义(P<0.01)。但其脑的功能,运动能力随着日龄的增加逐渐恢复。
In HA-inhibition assays performed with several carbohydrates and glycoproteins FCL-1 showed a distinct specificity for acetyl group in carbohydrates and Sia-group in sialoglycoconjugates. Progress of Neuraminidase Inhibitors Related to Sialic Acid FCL-1与乙酰基糖类和唾液酸类糖蛋白均具有较强的结合特性。唾液酸类神经氨酸酶抑制剂的研究进展
Content of slaver lysozyme was distinct lower than that of the control group. 唾液溶菌酶含量则明显低之;
( 3) Distinct polymorphism in D group chromosomes; D组染色体C-带具有极大的多态性;
Local newly-established universities as a new-born group of higher education can be distinguished from the old universities with their distinct "group nature". 地方新建本科院校作为高等教育大家庭的新生一族,应以其鲜明的族性区别于老本科院校;
Left ventricular function: The baseline global wall motion index and left ventricular ejection function were similar in two groups, but at follow-up, there was a distinct functional advantage for EECP group compared with drug group ( P < 0.01). 超声心动图:两组基线室壁运动指数和左室射血分数相似,但复查时EECP组明显优于药物组(P<0.01)。
Conclusion Edaravone is a new effective and safe neuroprotective agent for treating acute cerebral infarction, it can accelerate the recovery of neural function after cerebral infarction. There was no distinct adverse reaction in Edaravone group. 结论依达拉奉注射液治疗急性脑梗死安全有效,能有效改善急性脑梗死的神经功能缺失,未见明显不良反应。
The result shows: The current competition medals and scores display being divided situation and the competition pattern of Asian field circles are unbalanced, distinct 4 group grade structure characteristic. 结果表明:本届比赛奖牌、得分成分流态势,亚洲田坛竞争格局并不均衡,呈鲜明的4类集团等级(金字塔)结构特征。
The content of hyaluronic acid increased to 80ng/ ml from 30ng/ ml, and kept increasing for quite a long time after skin expansion. This change was more distinct in fast expansion group than that in routine expansion group. 透明质酸的含量在皮肤扩张后由30ng/ml增加到80ng/ml,而且在相当长时间内呈增高状态,快速扩张变化较常规扩张明显。
Gastrointestinal symptoms were not distinct before bleeding in NSAIDs group ( P < 0.01). 出血前消化道症状不明显(P<0.01);
Independent personality, compared to dependent personality, typically exhibits signs of enjoying being different from others, having fancy ideas, exploring unknown world actively, surveying matters with curious perspective, daring to put forward distinct opinions against group pressure. 独立人格是相对于依附人格而言的,表现为喜欢与众不同,喜欢标新立异,积极探索未知世界,爱用疑问的眼光来审视事物,敢于提出异议,不怕团体压力。
The main research contents are: 1. Did the On-the-spot investigation of three typical Community Park in Changsha to summarize their main design characteristic: ① Distinct themes;② Fixed service group. 主要研究内容:1.对长沙市三大典型社区公园进行实地调查,总结其主要设计特点有:①主题鲜明;②服务群体固定。
The empirical analysis indicated that compared with price subsidy, income subsidy had obvious cost advantage, and the advantage will be more distinct as subsidy group is narrowed. 实证结果表明,与价格补贴相比,收入补贴具有明显的成本优势,而且随着补贴人群的缩小,收入补贴的成本优势将更加明显。
Which can easily form a distinct common group of creative writers modeling. 而这种鲜明的共性也容易形成文人团体创作上的模式化。
Women as a distinct group in the network Reds attract the audience the most, but also by a group of the most talked about. 女性作为网络红人中一个独特的群体,是吸引受众最多,也是受到议论最多的一个群体。
There was distinct difference between the experimental group and the control group ( P0.01). 两组间比较有明显差异(P0.01)。