However, the modes of centralized access control and key distribution limit the extension of their group sizes.
然而，由于其集中式访问控制和密钥分配方式，限制了组规模的进一步扩展。
To address this issue our sample was restricted to group sizes of 3 or more while maintaining the sociodemographic profile of the original sample.
为了解决这个问题仅限于我们的样本大小的组3个或更多，同时保持了原样本的社会人口概况。
Overeating is often about portion sizes. The main message conveyed here is to simply be more aware of the portion sizes of each food group.
过量进食往往与食物的份量大小有关。餐盘图像传达的主要信息是只简单地关注各组食物的份量。
Jellison's group is conducting experiments on BSFs of various sizes, including systems that fit inside two - and five-gallon plastic pails.
杰里森团队在不同大小的净水器里做实验，包括可以容纳2 ~ 5加仑的塑料桶中。
The runners came in all sorts of shapes, sizes and colours, and represented every group of people and culture from around the world.
看着一个个穿着滑稽衣服的人，让我敬畏的是，是什么让这么多的人以这种盛大的方式聚集在一起。 参加者来自各种形状、大小和颜色，代表了来自世界各地的不同人群和文化。
Jellison's group is conducting experiments on BSFs of various sizes, including systems that fit inside two - and five-gallon plastic pails. (The typical BSF is 3 feet high.)
杰利森的研究小组正在开展各种生物沙子饮用水过滤系统的研究，包括2-5加仑塑料设备系统(典型的生物沙子饮用水过滤系统是3英尺高)。
For example, one group of Japanese and American researchers showed people two squares of different sizes, one of which had a line inside in.
一个由日本以及美国的研究人员组成的小组给志愿者看两个不同大小的正方形，其中一个中间有条线。
The main message conveyed here is to simply be more aware of the portion sizes of each food group.
餐盘图像传达的主要信息是只简单地关注各组食物的份量。
In addition, they had very favorable outcome rates in the placebo group, thereby making it hard to demonstrate a benefit by their sample sizes.
此外，两项研究中的安慰剂组有非常好的结局，使得根据它们目前的样本量很难得出孕激素有益的结论。
The sizes of perihematomal edema and the neurological functional scores were compared with the control group.
与对照组比较神经功能缺损评分和血肿周围水肿大小。
The skeletal changes are less severe and sizes of involved gland(s)are smaller in hyperplasia group than in the other two groups.
增生组骨骼系统病变相对较轻，其病变甲状旁腺重量低于腺癌与腺瘤组。
Results Compared with control group, the QRS scores were lower on 7 and 14 days after the treatment, the infarction sizes were smaller.
结果经代谢途径治疗后第7、14天，QRS记分较对照组显著降低，梗死面积缩小。
With the grouping technique it is allowed to produce a group of tube sizes with similar O.
在成型和定径时运用成组技术，可用一套开口孔型辊、定径辊生产一组外径相近的焊管。
Sea Urchins Animals of all shapes and sizes have made the trip into space including a group of particularly adventurous sea urchins.
海胆 不同形状和大小的动物被送入了太空，包括一种特别富有冒险精神的海胆。
Viewpoint Limitations of this study include relatively small sample sizes, lack of automated voxel-based analysis, and the absence of a group with depression but without diabetes.
观点这项研究的局限在于相对较小的样本、缺乏自动化的、基于像素的分析方法以及 缺乏一组抑郁但没有糖尿病的研究对象。
Viewpoint Limitations of this study include relatively small sample sizes, lack of automated voxel-based analysis, and the absence of a group with depression but without diabetes.
观点这项研究的局限在于相对较小的样本、缺乏自动化的、基于像素的分析方法以及 缺乏一组抑郁但没有糖尿病的研究对象。
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