图中a与b两装置分别表示种子和幼苗进行的生理作用ab装置间用玻璃管连接请回答下列问题1a装置中的种子变成b装置中的幼苗所需要的外界 Template




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tomski图中a与b两装置分别表示种子和幼苗进行的生理作用ab装置间用玻璃管连接请回答下列问题1a装置中的种子变成b装置中的幼苗所需要的外界 coloring