unsettled question

For the reason that the Chinese delegates had refused to sign the peace treaty at the Paris Peace Conference, the matter d Shandong become an "unsettled question".

因巴黎和会上中国代表拒绝和约签字，山东问题成为“悬案”。

The question still remains unsettled.

这个问题仍未解决.

We accept the outcome of the inquiry, without prejudice to the unsettled question of territorial waters.

我们接受了调查结果，并没有使悬而未决的领海问题进一步恶化。

An unsettled question for 40 years: concerning the origin of the aluminum scraps from the tomb of Zhou Chu of the Jin Dynasty unearthed in Yixing

悬案于今四十年&宜兴晋周处墓铝质残片来历的分说

That is an unsettled question so far! The 35 bronzes of Shang Dynasty and 22 copper and lead ore samples of Shang-Zhou Period, Spring and Autumn Period and the present time have been investigated by the trace techniques of lead isotopes.

该文采用了铅同位素示踪技术，测定了35件赣鄂豫地区商代青铜器和22个商周、春秋及现代的铜铅矿料样品。