machilus base 中文意思是什麼
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There are mat - shaped thickenings at the base of spines in the certain species of machilus. the most reliable characters for the delimitation of species are the features of the perforation, mat - shaped thickenings. the evolutional trends of the extine ornamentations in the pollen grains were discussed
小刺和瘤狀突起光滑，一些花粉形態特徵如小孔的有無、墊狀突起的有無和形態差別的多樣性可以作為種間鑒定的依據，對于現有的潤捕屬植物分組有一定的借鑒價值。 -
A causal diagnosis is conducted on the yellows of machilus thunbergii by means of the soil - plant chemical analysis, enzyme diagnosis, and field experiments, which grow in the saline - alkali soil at zhujiajian nursery stock base
摘要採用土壤植物化學分析、酶學診斷和田間試驗對舟山市朱家尖苗木基地鹽堿地土壤紅楠黃化成因進行了研究。
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