一种乐器，具有葫芦共鸣器和从长棒或长棍的一侧拉到另一侧的单钢丝弦。
A musical instrument with a gourd resonator and a single steel wire stretched across a long pole or stick.
水葫芦象甲对23个科、46种植物不产生危害，只取食水葫芦，是单食性昆虫。
The waterhyacinth weevil(Neochenita eichhorniae) is a kind of insect with single feeding habit, which only feeds on waterhyacinth not endangering 23 families, 46 species plants.
试验采用直投式菌粉快速发酵甜葫芦泡菜，通过单因素试验和正交试验确定最佳发酵条件。
Sweet calabash pickle was fermented by using Direct Vat Set starter. The optimal fermentation conditions were obtained through single factors and orthogonal experiments.
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