Comprehensive study the structural characteristics of the tune group and melody procedural features.

全面研究了该曲调群体的结构特点、旋律的程式性特征；

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The risk factors of coronary artery disease, angiographic and procedural features are the main risk factors of restenosis after coronary artery stent implantation.

冠心病危险因素、血管造影下冠状动脉病变特征、支架术操作技术参数是影响冠脉病变支架术后再狭窄的主要危险因子。

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I also show you a second way to quickly group complex hierarchies, make their Polygons editable without losing the animation and even keeping some procedural features.

我还向您展示了第二种方法，可以快速分组复杂的层次结构，使其多边形可编辑，而不会丢失动画，甚至保留一些过程特征。

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Because there are still several potential explanations for the incidents, though, the company is implementing numerous procedural and design changes that could end up making the lithium-ion batteries among the most carefully scrutinized, safest features of the 787 architecture.

FORBES: Boeing Completes Tests Leading To Resumption Of Dreamliner Operations