Anti-air warfare ( AAW) has become one of the primary tasks of surface warship formation through the modern sea war.
现代海战中,对空防御已经成为水面舰艇编队防御的主要内容。
The surface shape accuracy of the primary mirror can be greatly improved through raising the machining testplate accuracy and using the combined processing mirror surface.
提高加工基准的精度,并采用组合加工镜面,可以大大提高主镜的面形精度。
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