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1.Stricklin was starting off in the hole, in what ejection-seat experts dispassionately call an "out-of-envelope situation with low survivability." His plane was still falling fast, even after he managed to decrease the sink rate.
可斯特里克林开始弹射的那个时刻，已经到了被弹射专家判定为“超出操控范围的程度，生还机会极微”的节骨眼上。收藏指正
2.Based on a plane mould with a boss, L27(313) orthogonal array was conducted to investigate the significance of each factors (boss, melt temperature, injection time, packing pressure, packing time) on sink mark depth. The two-way interaction influences between melt temperature and injection time, between packing pressure and injection time were also considered.
基于一个带凸台的平板模具,采用L27(313)正交矩阵进行实验,研究了几何尺寸、熔体温度、注射时间、保压压力及保压时间对厚度突变处沉降斑形成的影响,同时还考虑了熔体温度和注射时间以及保压压力和注射时间之间的交互作用影响;收藏指正
3.The body is represented by a three-dimensional supersonic source-sink and doublet distributed on the bodyaxis,and the lee side vortex wake is modeled by a large number of dis-crete vortices in crossflow plane called a“vortex cloud”.
弹体位流模型用沿弹体轴线分布的源汇和偶极子来模拟,弹体背风区的分离涡则用横流平面中的大量离散点涡来模拟。收藏指正
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