讨论了近似求取由短振子组成的大阵的瞬态响应的方法。
The approximate method determining the transient response of large antenna arrays composed of short dipoles is discussed.
指出干振碎石桩处理浅层软弱地基土技术可靠，成本低，工期短的优点。
The results have proved that treating superficial layer soft foundation with dry vibration crushed stone piles has advantages of reliable technology, low cost and short time limit.
研制的简易酸化井口装置由保护法兰、过渡短节、卡箍、闸阀、三通和抗振压力表等组成。
The simple well head assembly newly developed is comprised of protection flange, pup joint, clip, gate valve, tee joint and anti-vibration pressure meter.
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