The narrow bandwidth property of a microstrip antenna is one of the important reasons to restrict its wide application.
微带天线的窄频特性是限制它广泛应用的原因之一。
One of important reasons is that the generation of brittle martensite due to brake sliding of wheels on rails leads to tread damage and its creep.
一个主要原因是车轮在钢轨上由于制动滑动产生的脆性马氏体所导致的踏面热损伤和蠕变。
There are its deep social reasons in the forming of the credit question, among them the shortage of the credit rating system is one of the important reasons.
信用问题的形成有其深刻的社会原因，其中个人信用制度的缺乏是重要原因之一。
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