point angle是什么意思

网络释义

用法例句

Numerical study on hypersonic boundary layer transition over a sharp cone;

针对尖锥模型,在马赫数6、攻角0°～2°时,采用第二模态(Second-mode)机制,预测并比较完全层流态、完全湍流态,以及自然转捩发展过程中的表面热流、表面摩阻等气动特性。

In this paper we prove that if the polar cone Λ* of a closed convex cone Λis sharp or is generated by a closed ball not containing θ, then Λ is solid.

本文证明：当锥Λ的极锥是尖锥或由不含θ点的闭球体张成时，Λ是体锥；

A Numerical Study of the Evolution of 2-D Disturbance in Supersonic Sharp Cone Boundary Layer with Zero Angle of Attrack;

零攻角尖锥边界层中二维扰动演化特征的数值研究

Experimental Investigations of Hypersonic Boundary Layer Transition on a Sharp Cone Based on the Method of Wavelet Analysis;

基于小波分析方法的高超音速尖锥边界层转捩的实验研究

a tall tapering spire.

高高的圆锥形的尖顶。

All three seemed sharp and conical in figure.

这三座山都呈尖尖的圆锥形。

a spiked helmet worn by German soldiers.

德国士兵戴的一种有锥形尖顶的头盔。

A cone is a solid body which narrows to a point from a round, flat base

圆锥体是底面圆平顶尖的实体

A cone is a solid body which narrow to a point from a round, flat base.

圆锥体是底面圆平顶尖的实体。

Evaluation of the Shrinkage by Heat of 0.06-taperd Gutter-perchas;

0.06锥度牙胶尖的热收缩性能的评价

Numerical Simulation of Light Intensity Enhancement at Pyramidal Probe Tip;

四面锥探针尖光增强的数值模拟研究

A congenital abnormality of the skull in which the top of the head assumes a conical or pointed shape.

尖头畸形头颅的一种先天性畸形，头的顶部形成锥形或尖形

Effects of different tapered gutta-percha cones with cold lateral condensation technique on apical seal

不同锥度牙胶尖冷侧方加压对根尖封闭性能的影响

"gabled dormers added to spire faces, and steep pinnacles (vertical ornaments of pyramidal or conical shape) added to tower corners."

在塔尖顶的面上加入三角形的屋顶窗;和加在塔边的陡直的小尖顶(角锥形或圆锥形竖向装饰)。

a conical child's toy tapering to a steel-shod point on which it can be made to spin.

一种圆锥形的儿童玩具，尖上裹着一层钢铁，它可以圆锥尖为基点进行旋转。

a fungus having an acutely conic cap and dry stalks.

一种有尖的圆锥形的帽和干的茎干的菌类。

The application of Cone Beam Computed Tomography in periapical images of anterior teeth

锥形束CT在前牙根尖周影病损像判别中的应用

Root Fillings Quality of Different Tapered Gutta-percha Cones Combined with GuttaFlow-an in Vitro Study

GuttaFlow结合不同锥度牙胶尖充填质量的体外评价

3D Modeling and Optimization Analysis of Blades and Taper-spiral Auger’s Tip

刀片及圆锥螺旋钻尖的三维建模和优化分析