查询词典 convex

His boldness lies in realizing that he could eliminate the spherical aberration by placing a thin, very weakly curved lens ("correction plate") of special smooth shape (convex near its middle, concave near its periphery, and flat in between) at the same location as the apertured diaphragm.

他的勇气，就在于实现，他可以消除球面像差放置一个薄，非常弱弯曲镜头的特别顺利形状（凸近其中，凹附近及其周边地区，并在单位之间的）在同位置作为光阑膈肌。

The southern Ningxia′s arciform structure zone,extending 150-300km,consists of four great arcuate thrust-nappe structural belts with a convex toward the northeast.

宁夏南部弧形构造带主要由四大弧形推覆构造带组成，总体走向NW，凸向NE呈弧形展布，延伸150km？

Seeds globose-ovoid, arillate or not, usually smooth; endosperm abundant; embryo straight; cotyledons rather thick, plano-convex.

种子球状卵圆形，具假种皮与否，通常平滑；胚乳丰富；胚直立；子叶相当厚，平凸。

Sessile spikelet flat, convex or concave across back; lower glume lanceolate to ovate, membranous to leathery, smooth, marginally 2-keeled or rounded; upper glume boat-shaped; lower floret male or barren, with or without palea; upper floret bisexual, with entire awnless lemma.

无梗小穗平，凸的或凹的直径背面；更下部的颖片披针形到卵形，膜质到革质，清除，稍微龙骨状或圆形；上面颖片舟状；更低的小花男性或者不孕，有或没有内稃；上面小花两性，具全缘外稃。

Used for blocking the common short-run printing, cold foil stamping, concavo-convex and bolographic hot stamping, and commonly used ordinary hot stamping process there are flat and round applanation short-run printing, hot stamping and as a result of round applanation.

烫印有普通烫印、冷烫印、凹凸烫印和全息烫印等方式常用的普通烫印工艺有平压平烫印和圆压平烫印，由于圆压平烫印为线接触。

Used for blocking the common short-run printing, cold foil stamping, concavo-convex and bolographic hot stamping, and commonly used ordinary hot stamping process there are flat and round applanation short-run printing, hot stamping and as a result of round applanation.

烫印有别致烫印、冷烫印、矮矮烫印和全息烫印等办法常用的别致烫印工艺有陡不抬陡烫印和方不抬陡烫印，由于方不抬陡烫印为线隔绝。

Colonies on improved agar, when grown 24～48 hours at 37℃ in a candle jar, are 1～2mm in diameter, convex, entire, transparent, glistening, and butyrous. Some strains produce slimy growth. Colonies on clear media are iridescent when observed with obliquely transmitted light.

生物学特性研究表明，该菌在普通营养琼脂平板上不生长，在改良琼脂平板上，烛缸中，37℃培养24～48h后可形成微凸起、边缘整齐、透明有光泽的奶油状光滑型菌落，无溶血现象，菌落无色素，直径1～2mm，在麦康凯培养基上不生长。

The men and women flirt, was born the most characterful Chinese character: Concave-convex.

男女调情的时候，诞生了最具特色的汉字：凹凸。

Duality is emphasized throughout,particularly in the form of Fenchel's conjugacy correspondence for convex functions.

贯穿本书的各个部分，对偶始终是被强调，尤其是在凸函数的 Fenchel 共轭理论的形式部分。

Fruit a pome, globose, ovoid, or ellipsoid, somewhat fleshy,(1- or)2–5-loculed, free from calyx only near apex or to 1/3 length, with persistent, incurved sepals; carpel crustaceous or membranous, each locule 1- or 2-seeded; seeds erect, testa leathery; cotyledons plano-convex.

果一梨果，球状，卵球形，或椭圆形，稍肉质，(1-或)2-5室，心皮壳质的或膜质，每子房室1或2种子；种子直立，种皮革质；子叶平凸。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。