We hitchhiked from Las Vegas to L. a.
我们从拉斯维加斯一路搭便车到洛杉矶。
The damage of aquatic plant Spirogyra sp. and Pistia stratiotes L. from anion surfactant LAS and nonionic surfactant AE was studied with transmission electron microscopy.
利用透射电镜研究了阴离子型表面活性剂LAS和非离子型表面活性剂AE对水生植物水绵、水浮莲的损伤作用。
The damage of aquatic plant Spirogyra sp. and Pistia stratiotes L. from anion surfactant LAS and nonionic surfactant AE was studied with transmission electron microscopy.
利用透射电镜研究了阴离子型表面活性剂LAS和非离子型表面活性剂AE对水生植物水绵、水浮莲的损伤作用。
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