查询词典 surfaces

The Steiner tree problem has also been investigated in multiple dimensions and on various surfaces.

Steiner树的问题也已在多个层面的调查和各种表面。

One of the key questions in the evolution of planetary systems is how surfaces interact with the stellar wind, says physicist Larry Paxton of the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland.

马里兰州劳瑞尔市约翰霍普金斯大学应用物理实验室的物理学家拉里·帕克斯顿指出：在行星系统的演化中，关键问题之一就是表面与恒星风之间的相互作用问题。

The bottles have been designed to hold disinfectants used to sterilise surfaces and dental instruments.

该瓶是用来举行消毒剂用于消毒表面和牙科文书。

Small North American evergreen fern whose stipes and lower frond surfaces are densely wooly.

叶柄和复叶下侧长有浓密茸毛的小型常绿北美蕨类。

According to the natures of the 3rd-sequence, two kinds of facies-change surfaces and two kinds of diachrononism in stratigraphical records, the sequence stratigraphic framework can be established.

在前人岩相古地理研究的基础上，根据三级层序的两大特征——"空间上相序的有序性和时间上环境变化的同步性"，并考虑到地层记录中的两种相变面和两种穿时性――"静态相变面及其相变面穿时、动态相变面及其间断面穿时"，建立研究区域志留系的层序地层格架，并在此基础上从沉积物的时间演化序列和沉积相的空间展布形式入手，恢复其古地理背景。

Mozart usually keeps his surfaces smoother than Haydn, achieving a more polished suavity.

而莫扎特较海顿更注重外在的流畅性，以期达到更优美的温和感受。

This thesis studies modeling and application of subdivision surfaces.

本文研究细分曲面造型方法其及在图形学中的应用。

Leaves alternate, sometimes subopposite or a few fascicled on short shoots; petiole 2-4 mm; leaf blade ovate, or elliptic to lanceolate, 3-5 × 1.5-2 cm, leathery, both surfaces glabrous, lateral veins 3 or 4 pairs, base cuneate, slightly decurrent, apex obtuse.

叶互生，有时近对生或一很少簇生在短茎上；叶柄2-4毫米；叶片卵形，或椭圆形到披针形， 3-5 * 1.5-2 厘米，革质，两面无毛，侧脉3或4 对，基部楔形，稍下延，先端钝。

Leaves subopposite, rarely alternate or opposite; petiole ca. 1 mm, densely pubescent; leaf blade elliptic or ovate-elliptic, 1.5-3 × 1.2-2 cm, thinly papery, membranous when dried, both surfaces appressed pubescent, base broadly cuneate to ± rounded, apex acute; lateral veins 3 or 4 per side, slender.

近对生的叶，很少互生或对生；叶柄长约1毫米，密被短柔毛；叶片椭圆形或卵状椭圆形， 1.5-3 * 1.2-2 厘米，薄纸质，干燥时膜质，两面贴伏短柔毛，基部宽楔形到多少圆形，先端锐尖；侧脉3或4 每边，纤细。

Basal petioles 10–20 cm; blade broad-triangular, 10–15 cm, ternate-2-pinnate; pinnae petiolulate; petiolules 3–6 cm; ultimate segments subovate, 3–11 × 2–6 cm, undivided or 2–3-lobed, both surfaces slightly roughened, sharply serrate or doubly serrate.

基部的叶柄10-20厘米；叶片宽三角形，10-15厘米，三出2回羽状；羽片具小叶柄；小叶柄3-6厘米；末回裂片近卵形， 3-11 * 2-6 厘米，不裂或2-3浅裂，两面稍变得粗糙，锐的有锯齿或重锯齿。

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。