The disadvantages are that you have to pay for them, they have a steep learning curve, and they don't allow you access to their source code in case you need to modify a feature.
而缺点是您需要为它们付费,有一段陡峭的学习曲线,而且当您需要修改功能时不允许您访问源代码。
If you already use of any of the above open source projects, your learning curve for Geronimo will be significantly shorter.
如果您使用过以上的开放源码项目之一,那么学习Geronimo的过程就会大大缩短。
The wheel web, by virtue of its geometry and material characteristics, is a good emitter of high-frequency sound, and is believed to be the primary source of curve squeal noise.
尺寸和材料的特性导致了轮辋是一个良好的高频声源,轮辋也被认为是曲线尖啸噪声的主要来源。
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