因此，研究地铁列车引起的振动及减振方法不仅必要而且十分迫切。
So, research on the vibration induced by metro vehicle is urgent and important.
如何防范这些风险的发生，是我们应该而且十分迫切研究的一个问题，下面就针对这个问题进行简要探讨。
How to prevent the occurrence of these risks is very urgent so that we explore. In the following, the issue for this study is briefly discussed.
混凝土桥梁的耐久性问题一直是一个世界性难题，开发新的材料对此进行防治，不仅必要，而且十分迫切。
The life of concrete bridge deck is a cosmopolitan problem, so it is necessary and urgent to study new material for protecting.
因此钢筋混凝土结构耐久性问题是一个十分重要而且迫切需要解决的问题。
Therefore, the durability of reinforced concrete structure is a very important and urgent problem to be solved.
因此，开发新型的金属基生物材料是有必要而且是十分迫切的。
Therefore, it is necessary and urgent to develop new metallic biomaterials.
为了适应惩治和预防法人犯罪的需要，对法人犯罪及其防范问题进行研究，不仅十分必要，而且相当迫切。
In order to meet the needs of punishing and preventing legal person's crime, it is not only necessary but quite urgent to study legal person's crime and precautions against it.
为了适应惩治和预防法人犯罪的需要，对法人犯罪及其防范问题进行研究，不仅十分必要，而且相当迫切。
In order to meet the needs of punishing and preventing legal person's crime, it is not only necessary but quite urgent to study legal person's crime and precautions against it.
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