这个适中的小组规模使得我们的老师们可以应对每个学生的需要。
This modest group size allows our teachers to respond to the needs of each student.
您必须准备好与各种规模的小组进行交互、进行演示，并且进行各种类型的书面交流。
You must be prepared to interact in groups of variable size, present to an audience, and have facility with written communication of all types.
允许网络在单一小组中包括数百个节点规模，而不需要固定的网络基础设施。
Techniques that allow the network to scale to hundreds of nodes in a single group without the need for a fixed network infrastructure; and.
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