然而，目前部分建设项目，在设计和安装中还存在若干问题。
But some problem exists in design and installation of some construction projects.
在司法实践中，这项原则起到了积极的作用，但还存在着若干问题。
In legal practice, this principle plays a positive role, but there are some problems.
然而，作为一系列维修性设计活动基础的维修性设计要求一般生成过程还存在着若干问题。
However, the general generation process of maintainability design requirements which is the basis of a series of maintainability design activities still has some problems.
也提出了冶金学中使用国际单位制目前还存在的若干问题。
Some problems existing in the application of international unit system in metallurgy are also pointed out.
也提出了冶金学中使用国际单位制目前还存在的若干问题。
Some problems existing in the application of international unit system in metallurgy are also pointed out.
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