更普通的概念称作geometric spanner或k-spanner，因为拥有良好的性质，其利用十分广泛，包括附近问题（proximity problems）的求解、机器人的活动规划、通信网络的牢靠性等等。
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远近问题 near-far problem
线性逼近问题 linear approximation problem
逼近问题 approximation problem
最佳逼近问题 optimal approximation problem
近视问题 A problem of shortsightedness
最近点对问题 The Closest Pair Problem ; Closest Pair Problems
近因问题 Recent Problems
最近向量问题 closest Vector Problem
我最近遇到许多问题 I recently encountered many problems
大约8%的人说他们把互联网作为逃避问题的一种方式，近14%的人说发现他们很难一次离开互联网好几天。
About 8% said they used the Internet as a way to escape problems, and almost 14% reported they found it hard to stay away from the Internet for several days at a time.
毫无疑问，近几十年来，制造业遭受了重大打击，而进一步的贸易协议引发了一些关于新的冲击是否会影响制造业的问题。
Without question, manufacturing has taken a significant hit during recent decades, and further trade deals raise questions about whether new shocks could hit manufacturing.
在这项研究中，近70%的工作人员有新的或恶化的呼吸问题。
Almost seventy percent of the workers in the study had a new or worsened breathing problem.
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