查询词典 biconvex
- 与 biconvex 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A transparent, biconvex body of the eye between the iris and the vitreous humor that focuses light rays entering through the pupil to form an image on the retina.
晶状体,水晶体:眼球中一种透明的双面凸体,位于虹膜与玻璃体之间,它可使穿过瞳孔进入眼球的光线聚集在视网膜上来形成图象
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Leaves basally cuneate, truncate, or subhastate; styles 2, free, achenes nearly orbicular, biconvex.
叶基部楔形,截形或者近戟状的;花柱2,离生,近圆形,双凸。 109 P 。 dichotomum 二歧蓼
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According to the comparative research on Guangnania, the diagnosis of the zosterophytes is expanded. It is suggested that their sporangia have the differentiation in the shape (reniform, rounded/globose to vertically elongate), dehiscence and valves (biconvex or concave/convex).
根据Guangnania的研究和对比,对工蕨类植物的特征进行了扩展,认为孢子囊存在形状(肾形—圆形/球形—纵向伸长)、开裂方式和两瓣的分异。2。
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Cilia of ocrea 0.5-5 mm; achenes biconvex, rarely trigonous.
托叶鞘的缘毛0.5-5毫米;瘦果两面凸,很少三棱。
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In early stage Ⅱ,9/10 was found the traction of biconvex posterior vitreous detachment at fovea. In late stage Ⅱ, 10/14 was found the operculum, and among the opercula, 8/10 was found some evulsed retinal tissue.
期裂孔的早期中有9/10可观察到黄斑前双凸型玻璃体后脱离对中心凹的牵拉;Ⅱ期的晚期中有10/14可观察到裂孔盖膜,这些盖膜中有8/10可观察到含有部分撕脱下来的视网膜神经组织。
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Based on the hypothesis of rectangle and biconvex section shape of the yarn, and different collocation between the inner warp and outer warp, thickness, section shape of the same structure being considered especially, a model for predicting the elastic property of 2.5-D woven composites was developed. To verify the elastic model, 62 samples of 2.5-D woven composites with 6 various structures were selected and the elastic properties were measured.
基于经纱矩形截面及纬纱双凸透镜截面假设,重点考虑了该结构表层经纱与内部经纱密度的不同及相同机织结构合成不同厚度和纤维束截面的情况,建立了2.5维机织复合材料的弹性性能预测模型。
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Peduncles sparsely glandular hairy or glabrous; stems and branches sparsely pubescent or glabrescent; achenes biconvex, rarely trigonous.
花序梗疏生腺毛或无毛;茎和分枝疏生短柔毛或后脱落;瘦果两面凸,很少三棱。 24 P 。 persicaria 蓼
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Biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina
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This article outlines the progress of ancient Chinese lenses from the Pre-Qin Period to the Five Dynasties, and discusses mainly two arguments: First, the"yangsui" recorded and narrated in Lun Heng by Wang Chong of Eastern Han Dynasty may be a plano-convex glass lens; secondly, the"four mirrors" recorded and narrated in Tanzi Hua Shu by Tan Qiao of Southern Tang Dynasty may be a plano-convex lens, a biconvex lens, a transparent planeparallel plate and a concave-convex lens respectively, but what kind of tra...
本文概述了中国古代透镜从先秦到五代的发展进程,着重从古代文献和出土文物的研究出发,结合中国古代社会经济发展水平,论证了东汉王充《论衡》中记述的阳燧可能是玻璃平凸透镜;论证了南唐谭峭的《谭子化书》中记述的&四镜&可能是平凸透镜、双凸透镜、平光镜和凹凸透镜。作者认为《谭子化书》&四镜&段可能实际上是对中国古代透镜发展的阶段性总结。
- 推荐网络例句
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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).
呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。
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The cost of moving grain food products was unchanged from May, but year over year are up 8%.
粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。
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However, to get a true quote, you will need to provide detailed personal and financial information.
然而,要让一个真正的引用,你需要提供详细的个人和财务信息。