The principle and parameters of circinate antenna are described and two application examples are explained in this paper.
本支叙述了环形天线的机理及特性参数，并给出两种应用实例。
Common thorny tropical American tree having terminal racemes of yellow flowers followed by sickle-shaped or circinate edible pods and yielding good timber and a yellow dye and mucilaginous gum.
热带美洲的一种普通带刺乔木，黄色花，总状花序，镰刀状可食荚果，可产生优良木材，黄色染料和粘性胶。
Common thorny tropical American tree having terminal racemes of yellow flowers followed by sickle-shaped or circinate edible pods and yielding good timber and a yellow dye and mucilaginous gum.
热带美洲的一种普通带刺乔木，黄色花，总状花序，镰刀状可食荚果，可产生优良木材，黄色染料和粘性胶。
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