Superdirectivity
超增益, (天线的)超方向性, (电磁)超指向性系数
🗣️ 情景例句
we're not sure
我们还不能肯定
I hope you have a pleasant journey home.
祝您归途一路顺风。
Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs.
虽然这种大计算机仍然存在，但它们的许多功能已被体积小但功能齐全的个人电脑——即我们常说的PC机——所代替了。