He was also quite vocal about improving the rules and safety standards of Formula One.
塞纳一直都为改进F1赛事规则及提高安全标准呐喊助威。
The zoning rules for two dimensional ring of Frensel zone plate is studied by means of Kirchhoff diffraction formula.
从基尔霍夫绕射公式出发进一步研究菲涅耳区板的二维圆环的分区规则。
We get rules of the attenuation of fog, cloud, haze and atmosphere as the height changes, and give the calculation formula of the laser scattering character of cloud layer.
推导了雾、霾、云、大气的衰减随高度变化的规律,给出了云层激光回波特性的计算公式。
应用推荐