frass
常見例句
- Study on the Fertilizer Efficiency of the Frass of Tenebrio Molitor L.
黃粉蟲蟲糞的肥效研究。 - The mines of Hymenoptera wasps have more and darker frass than the mines of dipetrous flies.
與雙翅目相比,膜翅目蜂類的糞便更多更黑;鞘翅目甲蟲類則經(jīng)常造成葉子的缺刻。 - Foodstuffs are contaminated by the silk, faecal material or frass, and the bodies of the insects themselves.A major pest of warehouses and, more recently, retail premises.
對(duì)食物的污染來(lái)自繭絲、排泄物、蛀屑和蟲體本身,已成為倉(cāng)庫(kù)的主要蟲害,近年來(lái)對(duì)零售店危害也很大。 - The effects of several factors such as density, frass, food moisture, diets and temperature on experimental population of Tenebrio molitor L. were studied.
本文研究了密度、蟲糞、食料含水量及不同配方、溫度對(duì)黃粉蟲(Tenebriomolitor L.;) 實(shí)驗(yàn)種群的影響及黃粉蟲成蟲的生殖力。 返回 frass