sustained radiation的用法和樣例：
例句
- Lead aprons shield people from radiation.
鉛做的工作裙可使人免進(jìn)輻射。 - An adiabatic wall must be able to block radiation.
絕熱壁必須能屏蔽輻射。 - The radiation patterns and directivities of a dipole antenna and antenna arrays excited by sinusoidal and walsh waves are compared.
對偶極子天線(xiàn)和天線(xiàn)陣列用正弦波和沃爾什波輻射時(shí)的方向圖和方向性系數進(jìn)行了比較。
