英语词汇“sieve elements”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	sieve elements
释义	sieve elements短语¹⁴⁴⁹⁷²⁺² 基本例句筛管成分 On the base of field symptomatological diagnosis, ultrathin sections of the sieve elements of apricot with typical leaf roll symptoms in the study. 在田间调查的基础上，对发病杏树的叶脉、侧芽进行了超薄切片透射电子显微观测。 cnki
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