The intrinsic ballistic transportation of electrons in nano-tube makes it possible for antennas consisting of nano-tube array to radiate with higher efficiency.
由于纳米管内电子运动固有的弹道输运效应，使得纳米管阵列天线具有辐射效率高的优点。
Objective To explore the efficiency of the treatment of the urinary calculi which remained after the ballistic lithotripsy combined with ureterorenoscopy and the decoction to remove the calculi.
目的探讨输尿管镜下气压弹道碎石术后配合中药排石汤治疗降低术后残留结石的有效性。
The ballistic Performance and value of ceramic armors was analyzed, and high efficiency -cost ratio ceramic armor materials was selected.
对适合于作装甲的陶瓷材料的抗弹性能及价格进行了分析，并在此基础上选出了效-费比高的陶瓷装甲材料。
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