The discuss of academic matter about elliptical spherical hob;
关于椭球形滚刀一些理论问题的探讨
A new elliptical spherical hob’s cutting internal gear is introduced.
介绍了一种加工内齿轮的新型刀具椭球形滚刀,首先论述了球形滚刀的局限性和椭球滚刀的优越性,然后就椭球形滚刀的基本参数,螺旋面方程和滚刀的螺旋线升角以及椭球形滚刀法向齿距误差和法向圆度误差等基本理论问题进行了论述,为设计和研究椭球形滚刀提供理论依据。
It is a difficulty in the design of architectural acoustics all the time that spherical conformation creates sound focusing.
球形构造声聚焦问题始终是建筑声学设计中的一个难点。
the configuration of the earth's surface, the vocal tract, the solar system
地球表面的形状; 发音系统的构造; 太阳系的分布.
Geochemical Characteristics and Tectonic Setting of Ophiolites in Shexian County,Anhui Province
安徽歙县蛇绿岩地球化学特征及形成构造环境
Structure of Metamorphic Rock and Deformation ?
变质岩构造及变形构造
cellular construction
格形构造[建筑物]
In this tutorial we will construct a random" landscape" and drop a number of spheres from above in order to see how they interact with the terrain.
在这个教程里我们构造一个随机“地形”并且放置一定数量的球，让球掉在地形上。
Geochemistry and Tectonic Setting of the Clastic Rocks from Tianshui Area;
天水地区碎屑岩地球化学及其形成构造环境研究
Geochemical characteristics and tectonic setting of ore-bearing carbonatites in Hunglongpu Mo ore field.
黄龙铺钼矿田含矿碳酸岩地球化学特征及其形成构造背景
Geochemistry of Cretaceous Volcanic Rocks of Duoni Formation in Northern Lhasa Block:Discussion of Tectonic Setting
拉萨地块北部白垩纪多尼组火山岩的地球化学:形成的构造环境
Mesozoic deformation of Dabashan curvilinear structural belt of Qinling orogen
秦岭造山带大巴山弧形构造带中生代构造变形
an arch used in croquet.
槌球中使用的弓形结构。
A spherically symmetric structure of the earth has been assumed.
人们把地球的构造假设为球状对称。
nonsynchronous superposed arcuate structure
非同期叠加弧形构造
Gland: Gland is a two-piece ball-type which exerts even pressure on the packing without binding the stem.
压盖：压盖为两件式球形结构，将压力均匀地施加在填料上，不会造成阀杆弯曲。
The Superstar basketball shoe is constructed with an EVA compression molded midsole and rubber outsole to provide the ultimate traction on the court.
巨星篮球鞋与一个被形成皮外底为法院提供终极的曳伊娃压缩一起构造。
"Dome:In architecture, a hemispherical structure evolved from the arch, forming a ceiling or roof."
圆屋顶:房屋建造中由拱发展而成的半球形结构,常用作天花板或屋顶。
Gland: Gland is a two-piece, ball-type which exerts even pressure on the packing without binding the stem.
压盖：压盖是两件式球形结构，将压力均匀地施加在填料上，不会造成阀杆弯曲。
The petrochemical characteristics and tectonic background of the Carboniferous volcanic rocks in the east part of western Kunlun
西昆仑山东段石炭纪火山岩岩石地球化学特征及其形成的构造背景