单词biconvex
adj.: 两面凸的
网络: 双凸的;双凸面的;凸凸
双凸面
两面凸的,双凸的
Of biconcave of computer clavier biconvex sheltered evil people and practices the most easily, cleanness rises special inconvenience.
电脑键盘凸凸凹凹的最轻易藏污纳垢了,清洁起来非常不方便。
Back of upper lemma facing away from rachis; spikelets thinly biconvex, oblong-elliptic.
在上面外稃后面面对离开轴;稀疏的小穗双凸,长圆状椭圆形。
stigmas capitate. Achenes included in persistent perianth, dark brown, dull, nearly orbicular, biconvex or trigonous, ca. 3 mm.
柱头头状瘦果在宿存花被内藏,暗褐色,黯淡,近圆形,两面凸或者三棱,约3毫米。
The second lens group (G2) is provided with at least one biconvex lens group (L21).
第2透镜组(G2),至少具有1片双凸形状的透镜组(L21)。
Convex on both sides; biconvex. Used of a lens.
凸凸的两面部凸的;双凸面的。用来指透镜
Achenes biconvex, ovoid, margin broadly winged.
瘦果两面凸,卵圆形,边缘宽翅。
stigmas capitate. Achenes included in persistent perianth, black, opaque, ovoid, trigonous or biconvex, 1-2 mm, finely glandular or pitted.
柱头头状瘦果在宿存花被内藏,黑色,不透明,卵圆形,三棱或者两面凸,1-2毫米,细腺或者具洼点。
stigmas capitate. Achenes black, opaque, nearly orbicular, biconvex, ca. 1 mm in diam.
柱头头状瘦果黑色,不透明,近圆形,两面凸,直径约1毫米,浓密使相斗。
stigmas capitate. Achenes included in persistent perianth, black-brown, shiny, broadly ovoid, trigonous or biconvex, 1. 5-2 mm, smooth.
柱头头状瘦果在宿存花被内藏,黑棕色,发亮,宽卵形,三棱或者两面凸,1.5-2毫米,光滑。
stigmas capitate. Achenes yellow-brown, slightly shiny, broadly ovoid, biconvex, ca. 1. 5 mm.
柱头头状瘦果黄褐色,稍发亮,宽卵形,两面凸,大约1.5毫米。