The landau damping rate is obtained by solving the dispersion equation of relativistic longitudinal plasmons with the sub-light-velocity numerically.

在亚光速区，对处于相对论性振荡的纵等离激元色散方程进行数值求解，得到了朗道阻尼系数的数值解。

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Most antennas are made in the shape of a dish to collect and reflect the radio waves to the sub reflector, in the same way as a curved mirror focuses visible light to one point.

大多数天线被制成碟形，用以收集和反射无线电波至亚反射器，就像曲面镜将可见光聚焦于一点一样。

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With the exception of South Africa, the only light rail metro system in sub-Saharan Africa is in Addis Ababa, Ethiopia.

除了南非，非洲撒哈拉以南地区唯一的轻轨地铁系统位于埃塞俄比亚的亚的斯亚贝巴。

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With FaceTools, end users can automatically identify individuals, capture fast moving objects, use enhanced user interfaces via real-time tracking of pupils, and take flawless pictures even under sub-optimum light or color balance conditions.

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With Christoph Waltz, who tries and fails to find a light, sub-ironic tone as a super-villain, and Cameron Diaz, who acts cheerful.

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Some of Marriott's competitors, such as Sheraton and Hilton, have had light presences in sub-Saharan Africa for decades but now are stepping up growth.

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