That's phi is the angle downwards from the z axis.
这个角度是φ，它是从z轴偏转的角度。
If not, I'd simply flip the Z axis of the geometry.
如果不是这样，我只是翻转Z轴的几何形状。
Well, I guess even then, you could center it on the z axis.
我猜即便那时，你也会把中轴定为z轴。
The built-in alloy wires localize a stylus on the x, y, and z axis points.
内置的合金线路将在x,y,z轴上定位输入笔的位置。
OK, so moment of inertia about the z axis so, what's the distance to the z axis?
关于绕z轴的转动惯量,到z轴的距离是多少？
OK, we've seen about spheres and cylinders centered at the origin or centered on the z axis.
我们已经知道,中心在z轴的球体和圆柱体。
For now, trust me that postTranslate() with a positive third parameter moves the camera along the z axis.
现在，您只要相信，带有第三个正数参数的postTranslate() 可使摄像机沿z轴移动。
And now, let's think about what happens when you look at just one of these vertical planes containing the z axis.
来看看接下来的事情,当你看这些包含这z轴的垂直平面时。
In practice this means that the object is drawn in the local origin, and it is looking along the positive Z axis.
事实上这意味着物体在局部坐标空间绘制，并且物体的正面朝向z轴正方向。//译者注：z轴正方向垂直屏幕指向观察者。
The displacement sensor of Z axis adopts single point laser position detector PSD, and its resolution is about 10nm.
方向位移传感器采用激光单点位置探测器P SD,Z轴方向的位移测量精度达10纳米。
Next step is to create geometry from these lines so I just extruded the lines in Z axis and booleaned the basic mesh.
下一步是通过这些线来创建几何体，因此我只是挤压了Z轴上的线，并将基础的网格布尔体系化。
Of course, r goes all around the z axis, but I'm just doing a slice through one of these vertical half planes, fixing the value of theta.
当然，r可以围绕z轴转圈，但我只做了一个垂直的半平面，对于一个确定的θ来说。
The actual shape (typeface) attribute (the Z axis) is for differences of type design (the actual shape used in imaging) of each variant form.
实用形（字样）特质（Z轴）表示的是某一字的某一变体在具体字样（字型）中形态上的差异。
The motor controller and software can also drive an optional Z axis or focus motor which can be fitted to the fine focus knob of most of the newer microscopes.
电机控制器和软件也可以驱动Z轴或聚焦电机， 聚焦电机可以安装到最新显微镜的细调旋钮上。
The technics parameters, such as the laser power, scan velocity, powder feed rate and the Z axis increment, which influence quality and shape were analyzed in this article.
分析了主要工艺参数如：激光功率、扫描速度、送粉量以及Z轴增量对成型质量和形貌的影响。
The phase mapping method of a field inhomogeneity based on an Z axis pulse field gradient and polynomial fitting procedures of the axial shimming coil currents were described.
通过对Z轴磁场梯度和匀场线圈电流的多项式拟合，以获得磁场不均匀而引起的相位分布。
Gantry structures, Y axis use simultaneous dual motor and drive, X, Y, Z axis with circular rail (formula type linear guide can be chose), steady transmission, high precision.
龙门式结构，Y轴采用同步双电机双驱动，X、Y、Z三轴采用圆导轨（可选配方型直线导轨），传动平稳，运行。
Yes? Yeah, so I'm saying when you fix theta you get only a half plane, not a full plane I mean, it goes all the way up and down, but it doesn't go back to the other side of the z axis. Why?
请说，所以我说当固定θ时,得到的是半平面，而非全平面,它布满z-轴的一侧,但从不延伸到z-轴的另一侧，为什么？
If I take a rotation about the z-axis.
如果我在z轴周围取一个旋转。
And then up to parallel to the z-axis, C3 let's call that C3.
再沿与z轴平行方向向上运动到，我们称之为。
That is a vector field in which the trajectories are going to be circles centered in the z-axis and our vector field is just going to be tangent to each of these circles.
这是一个向量场，其中旋转轨道是，以z轴为圆心的圆周，并且这个向量场与每个圆相切。
他们俩都是z轴。
We have two of them on the z-axis like this.
他们俩的z轴都这样。
So, if we think about this z bonding axis between the two carbon atoms, we can picture overlap of those s p hybrid orbitals, and then we can also picture bonding to hydrogen.
如果我们考虑,两个碳原子之间的z成键轴，我们可以画出sp杂化轨道的交叠，我们也可以画出和氢原子的成键。
So PI bonds have electron density both above and below the bond axis, but they actually have a nodal plane at this z, this bond axis here.
键在键轴之上，和之下都有电子密度，但它们在z方向有节面，这是键轴的地方。
You define your own classes for point and line so that you can provide all arguments as double values instead of integers and so that you can provide a z-axis.
您可以为点和线定义您自己的类，以便您可以提供双精度值而非整数值的参数以及z -轴。
Let's say I have a cylinder of radius a centered on the z-axis.
已知以z -轴为轴心半径为a的圆柱体。
Let's say I have a cylinder of radius a centered on the z-axis.
已知以z -轴为轴心半径为a的圆柱体。
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