光学支撑镜架结构稳定性是影响光束定位精度的重要因素。基于光学法进行了镜架结构稳定性测量技术研究, 编写了光学稳定性测试软件......

　　This article discuss the structure stability which under different impact loadings,the model is described by the fac......

　　Background: Alternative splicing is a molecular mechanism that produces multiple proteins from a single gene, and is......

本文用数值方法研究了圆锥低超声速有攻角绕流的对称和非对称定常解，扰动响应以及在更大角时出现的准周期解问题。......