Rough surface is easy to generate V shape of stress concentration, which reduce fracture strength.
粗糙表面的晶粒间易产生V形口，导致应力集中，降低了膜的断裂强度。
A quick tip: Try curl -v — trace-ascii... to generate tracing information.
一个简单的技巧：尝试使用curl - v——trace - ascii…来生成跟踪信息。
In versions of XJConf for PHP prior to V. 0.2.0, these special overloading methods are not supported and attempts to use them will generate a fatal error in your PHP script.
在V . 0.2.0版本以前，XJConf for PHP并不支持这些特殊的重载方法，并且尝试使用这些方法将使php脚本出现致命错误。
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