The results indicate: the species within Lactuca L. (s. l. ) have the same pollen type.
结果表明：莴苣属（广义）内这些种具有相同的花粉类型。
The extraction technology of the polysaccharide from the green marine algae ulva lactuca l. was optimized with the orthogonal design.
用正交设计法对绿藻石莼多糖成分提取工艺进行研究。
Heating-crushing and heating extraction were applied to extracting juice from Lactuca Indica l.
采用热榨法和热浸提法对苦荬菜汁进行提取试验。
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