Force of double verticalloop is more gentle than vertical loop's.
双垂直曲的作用力比垂直曲的柔和的多。
2
Medium frequencies and horizontal magnetic dipoles (verticalloop antennas) can be used in underground radio communication in mining sections of coal mines.
中频频率和水平磁偶极子天线(垂直环状天线)是井下采区无线通信可使用的频段和天线型式。
3
On the interior of the circulation loop, programs include glass fronted conference rooms, testing LABS, training rooms, vertical circulation, toilets, and building mechanicals.