查询词典 hemispherical

The first poly-lined umbrella-shaped inflorescence; involucre hemispherical, phyllaries 4-layer, edge membranaceous, the outer oval-shaped; flowers small, yellow, the edge of tongue, tip three lobed, female; the central government as Guanzhuang Hua, 5 crack tip, gender.

头状花序排成聚伞状；总苞半球形，总苞片4层，边缘膜质，外层椭圆形；花小，黄色，边缘舌状，先端3浅裂，雌性；中央为管状花，先端5裂，两性。

A unified strength theory was suggested for the failure criterion of rock. It can take account of the influence of intermediate principal stress on the material strength. The penetration resistance was derived for three different nose shapes: ogival, hemispherical and conical.

采用统一强度理论作为岩石的破坏准则，基于动态空腔膨胀理论研究了弹体侵彻岩石靶时所受的阻力，以及刚性弹体对岩石的侵彻深度，并分析了破坏准则、弹头形状、摩擦系数等因素对侵彻深度的影响，与试验资料进行了比较。

Calyx tube shallow, patelliform to hemispherical.

萼筒浅，对半球形小盘状。

Flowers yellowish to greenish, rarely brightly colored, small, bisexual or unisexual, rarely polygamous,(4 or)5-merous, hypogynous to epigynous, in mostly axillary, sessile or pedunculate cymes, or reduced to few in fascicles. Calyx tube patelliform or hemispherical to tubular, sometimes absent, at rim with calyx, corolla, and stamens; sepals 4 or 5, valvate in bud, triangular, erect or ± recurved during anthesis, adaxially often distinctly keeled, alternate with petals.

对带绿色淡黄的花，很少明亮染色，单性，很少杂性的小，两性或，(4或)5瓣，萼筒小盘状或者半球形到管状，有时无，在凸缘有花萼，花冠和雄蕊；萼片4或5，芽期镊合状，三角形，直立或者在花期弯曲，正面通常显著凸起，与花瓣互生。

Flow convergence regurgitant volumes and fractions were calculated by using the hemispherical flow convergence equation with 81, 71, 58, 46, 37 and 29cm/sec aliasing limit velocities, and the effective regurgitant areas were calculated with 58, 46 and 37cm/sec aliasing velocities.

按半球血流会聚公式分别计算混叠极限为81、71、58、46、37和29cm/sec时返流量、返流分数(返流量/二尖瓣口流入量)及混叠极限为58、46和37cm/sec时有效返流口面积(返流量/返流速度时间积分)。

The time-resolved hemispherical reflectance and transmittance of the slabs with linearly varying refractive index are obtained for various optical thicknesses, scattering albedos and substrate reflectances.

接著，求各种光学厚度、散射比和基底反射率的线性可变折射系数平板的时间分解半球反射率与半球穿透率。

A numerical study on the performance of a hemispherical head antiship missile penetrating the plate girder structure is presented using LS-DYNA program.

为了使得船体外板在质量一定的情况下最大限度地降低导弹穿甲后剩余速度以达到保护其内部结构的目的，采用较轻的装甲结构形式或复合材料是目前的发展方向。

Smooth hemispherical embayments by the intergrowth towards the center are not uncommon.

由于向心内生长而形成半球状弯陷的情况是很常见的。

Dome-bottomed cup deep drawn with viscous medium in the lower die,hemispherical part stretched with viscous medium applied to single and both sidesof the sheet, and the conventional solid metal punch forming were carried out.

为了达到VPF成形实验的工艺要求，设计了与凹模配合使用的凹模底板，底板上设置了三组介质排放孔，并连接控制油缸，排放孔可以根据成形的需要开启和关闭。

The "devices" are hemispherical objects of glass or porcelain, ending in a cone with a drop of mercury inside.

该&装置&是玻璃或瓷器的半球形物体，尾端有内盛汞滴的容器。

He knows that he's one of the mostdominant players in the NBA right now.

我知道他现在是联盟里最有统治力的球员之一了。

Using analysis method of BCG , the dissertation analyzed the management of voluntary service organizations .

利用BCG分析方法对我国的志愿服务组织管理进行了分析。