关于这个问题有两种不同的观点。
业内对模型与XML模式之间的关系有两种不同的观点。
The industry generally takes two views on the relationship between the models and the XML schema.
但是，对侧向风的影响有两种不同的观点，一种观点认为与气动中心和中性转向点的相对位置相关；
However there are two different standpoints: one is that the direction stability is affected by the relative location between aerodynamics center of the side wind and neutral-steer point;
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