l sp 栈指针
Carzol l SP 伐虫脒盐酸盐
SAMSUNG SP-L 三星SP
call l at sp 拜访某地 ; 访问某地
REAR L-CH SP 后左声道喇叭负
FRONT L-CH SP 前左声道喇叭正
REAE L-CH SP 后左声道喇叭正
·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
Method:in this article, the traditional paraffin section, the normal powder section are used to studied for the root, stem and leaf of Hibiscus trionum L. SP. PL.
方法本文采用传统的石蜡制片、常规粉末制片的方法对自采的野西瓜苗的根、茎、叶进行了比较鉴别研究。
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