没有解决的问题 meaning in Chinese

an outstanding issue

It remains an unsettling question .
它仍然是一个没有解决的问题。
The question was open as to what shape of lens would so focus in the coming rays .
什么形状的透镜能起这样的聚焦作用，还是一个没有解决的问题。
Between the two technologies remains a largely unresolved issue in the integration world
）方面仍然存在着大量没有解决的问题。
It carries messages , reminders , pressing thoughts , problems to solve , unresolved issues etc
它包括信息、备忘、压抑的想法、要解决的问题、没有解决的问题，等等。
At last , conclusions are given , and suggestion about the further work of this topic is also given
最后总结全文，指出了没有解决的问题，为后继工作指明了方向

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