These spiral vessels are part of a banana plant stem.
这些螺旋状的脉管是香蕉植物茎的一部分。
This is a plant stem that has been pithed.
这是一根已经除去木髓的植物的茎。
The plant stem may grow more than fruits, for example.
例如，植物的茎可能比果实还要长得好。
A tree is a tall, woody plant that usually has one main stem, or trunk.
树是一种高大的木本植物，通常有一根主干，或树干。
It. s the lateral shoot from the main stem of a plant.
这是分枝植株的主茎上长出的侧枝。
It was identified to be a domestic new plant disease, sunflower Phoma black stem.
经鉴定，确定其为国内新病害——向日葵茎点霉黑茎病。
The plant height, ear position height and stem diameter were all increased.
植株高度、穗位高度显著增加；茎加粗，穗长、穗粗和穗粒重比对照增加；
The plant height, ear position height and stem diameter were all increased.
植株高度、穗位高度显著增加；茎加粗，穗长、穗粗和穗粒重比对照增加；
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