Root cylindric, to 2 cm in diam. Caudex short, simple or rarely branched.
圆筒状的根，在2厘米直径块根短，单或很少分枝。
Taproot long-cylindric, deep-rooted with a slender and elongated stem to soil surface.
直根长圆筒状的，根深具一纤细和拉长的茎达土壤表面。
Dielectric fiber bunched waveguide is a kind of cylindric dielectric waveguide array (CDWA).
介质纤维束波导是一种圆柱介质波导阵列。
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