查询词典 Z-twist

A new scheme for laser beam focus position error compensation is proposed, In this scheme, a decomposing compensation scheme, the compensation action along laser beam is decomposed to three orthogonal straight-line coordinates: X、Y、Z, without extra actuator.

论文提出了一种新的激光焦点位置误差补偿方案，该方案不需要专门的执行机构，而是将激光聚焦头沿着光轴方向的补偿运动分解到机床的X、Y、Z三个直线运动座标上，称为分解补偿方案。

We expect that the effects of the new gauge boson Z' on the spin configurations of the top quark pair production might be observed in future ILC experiments.

因此我们希望，Z'对顶夸克对产生的自旋结构的贡献可以在未来的ILC实验上探测到。

A new-style 4-PUU parallel mechanism which has three-dimensional translation and one revolution around Z axis is presented in this paper.

介绍了一种新型4-PUU并联机器人机构，该机构可以实现空间三维的移动和绕Z轴的转动。

From the lamella shown in Fig.2-1,we take out a small and positive parallelepiped PABC,and take for an unit length in the directional dimension in z.

从图2-1所示的薄板取出一个微小的正平行六面体PABC(图2-3)，它在z方向的尺寸取为一个单位长度。

The partial derivative of f with respect to x keeping r and z fixed.

函数f对x的偏微分，r和z保持不变。

The partial derivative of f with respect to x, keeping y, and z fixed.

函数f对x的偏微分，固定y和z。

B Consider the Hamiltonian , where n is a unit vector and are Pauli matrices (α= x, y, z).

考虑哈密顿量，其中 n 是单位向量及为泡利矩阵(α= x， y， z)。

Group in periodic table with silver-white metallic luster of the solid metal transition elements, but also one of the platinum group element, atomic number Z = 44, atomic weight of 10107, the chemical symbol F No.

周期表中Ⅷ族银白色具金属光泽的固体金属过渡元素，又是铂系元素之一，原子序数Z＝44，原子量10107，化学符F号Ru。

Group in the periodic table there are silver-white metallic luster of the solid metal transition element, atomic number Z = 26, atomic weight of 55847, chemical symbol Fe, there is a stable F isotope 5626Fe and a radioisotope 5526Fe, content of 5% of the earth's crust, accounting for elements of in the fourth place, the metal in the second melting point 1535 ℃, boiling point 2750 ℃, the relative density of 786, the external electronic structure 3d64s2, chemical reactions 2-6 tram F-volatile son, oxidation number of 0, 2, 3, 4 , 5 and 6, the chemical nature of the metal element is very lively, in the humid air combined with oxidation, but also directly with the sulfur, phosphorus, silicon, carbon together.

周期表中Ⅷ族有银白色金属光泽的固体金属过渡元素，原子序数Z＝26，原子量55847，化学符号Fe，有一种稳定F同位素5626Fe和一种放射性同位素5526Fe，地壳中含量5％，占元素中第四位、金属中第二位熔点1535℃，沸点2750℃，相对密度786，外围电子结构3d64s2，化学反应时易丢失2—6个电F子，氧化数为0、＋2、＋3、＋4、＋5和＋6、化学性质很活泼的金属元素，在潮湿空气中能与氧化合，也能直接与硫、磷、硅、碳化合。

The reason is mainly from the distribution of π electrons of the HOMO in the plane perpendicular to the z axis.

其主要原因是HOMO的π电子分布在与z轴垂直的平面上。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。