查询词典 plane concave

A polyhedron some of whose plane sections are concave polygons.

有些平面部分是凹型多边形的多面体。

Seed face plane or slightly concave, never sulcate.

种子表面平或稍凹，从未具槽。

Seed face deeply concave to plane.

种子表面深凹到平。

Seed face plane or slightly concave.

种子表面平或稍凹。

Seed face plane, rarely slightly concave.

种子表面平，很少稍凹面。

Seed face plane to concave.

种子表面平到凹。

For three different detected surfaces—concave, plane and convexity, the relevant finite element models of three-dimensional eddy current field problem have been built. The surface shape, curvature radius and lift-off variation effects on coil's reflected impedance have been analyzed.

针对3类检测表面，建立对应的三维涡流场问题的有限元模型，计算分析了检测表面形状、曲率半径大小以及提离变化对线圈反射阻抗的影响。

Seed face plane or concave.

种子表面平或凹。

According to the results of stress calculation, provided the choosing basis for structure parameters of hydraulic cylinder and advanced a new cylinder bottom structure-oblique plane check ring concave groove.

对 10MN闭模挤压液压机卡环式液压缸进行有限元应力分析，根据分析结果，给出了液压缸缸底结构参数的选取依据，并在此基础上提出了一种斜面卡环凹槽新结构，有效解决了大型卡环式液压缸卡环凹槽的应力集中问

Over the years the company committed to the mill left the field of research and production equipment, production of the ZP Automatic grinding parabolic polished unit is the professional Western-style stainless steel tableware unit, 13 from Taiwan's single five models, namely throwing pieces of the mill was processing Plane, convex and concave corner of the surface, to be completed from the sand to rough play, throwing all the fine process.

公司多年来致力于抛磨领域的设备研究与制作，生产的ZP系列自动抛光机组是抛磨西式不锈钢餐具的专业机组，由五种机型十三台单机组成，分别抛磨被加工件的平面、凸面、凹面转角、曲面部分，可以完成从打砂到粗、精抛的全部工艺过程。

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。