星形截面 的英文怎麼說
中文拼音 [xīngxíngjiémiàn]
星形截面
英文
star cross section-
This paper deals with the regular curves in a riemannian manifold with constant sectional curvature and the affine starlike curves in r2, r3 and r4
本文研究了具有常截面曲率的黎曼流形中的正則曲線及二、三、四維空間中的仿射星形曲線。The effects of the meteor trails orientation on the size and shape of the footprint on the ground are calculated, which the mechanism of good concealment, antijam and low probability of intercept is explained. this method overcomes the classical limitation
其次用數學的方法研究並計算了流星余跡的方位對地面「足跡」的形狀和大小的影響,從而揭示了流星突發通信具有保密性好、抗干擾性、抗攔截的物理機制,克服了經典方法的缺陷。
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