在经过生长期的表皮茎上，施用茉莉酸能够促进各个伸长单位茎中次生乳管的分化。

In the epicormic shoot stem which passed a growth season, the secondary laticifer differentiation of all the extension parts was accelerated by JA application.

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讨论了单位长度伸长接地体的冲击特性真型试验方法，给出了冲击火花放电特性和伏安特性的试验结果。

This paper discusses a test method for impulse characteristic of real extended grounding electrode in unit length and gives some experimental results.

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