bract-scale 中文意思是什麼
bract-scale
解釋
苞鱗。-
In the early december, the first bract primordium was formed in the axil scale at the cone base, then bract initiation had occurred in acropetal direction
12月初，最初的苞片原基在雌球果原基的鱗片的葉腋處產生，之後其由基部向頂部連續發生。 -
At the end of february, the bract attained approximately their full size, and a pair of anatropous ovules were initiated on the adaxial surface at the base of the fertile ovuliferous scale
2月底，苞片體積不再發生變化，珠鱗膨大端的基部的近軸面分化出2個倒生胚珠。 -
Bract scale the structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil
苞鱗：在裸子植物的雌球果中大量存在的結構，每個苞鱗都包含一個珠鱗。 -
For example ， the spiral arrangement of scale - bract complexes on ovule - bearing pine cones ， where the female reproductive organs of conifers are located ， is important to the production of airflow patterns that spiral over the cone ' s surfaces ， thereby passing airborne pollen from one scale to the next
例如，帶有胚珠的松球的鱗苞綜合體的螺旋狀安排，亦即松柏目植物雌性殖器官的所在位置，對于氣流模式的形成與產生殊為重要，而這些氣流模式在松球的表現盤旋上升，從而把在空氣中飛行的花粉從一個鱗苞傳播至下一個鱗苞。
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