The advantages of Fluorphlogopite Mica are: good penetrativity of light and wave (as good as glass);

氟晶云母优于其他云母的关键点在于：优秀的光、波透过率（像玻璃一样）；

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The U.S. should continue to enhance the flexibility and assured penetrativity of its airborne deterrent forces by fielding modern bombers and cruise missiles.

CENTERFORSECURITYPOLICY: Center for Security Policy | An Assessment Of Future Requirements For US Strategic Forces And Strategic Arms Control