查询词典 tunneling

No one could more scornfully showthe laughable inconsistency of tunneling the mountains which dividecountries, with a view to facilitating exchange, while at the same timesetting up a customs barrier at each end.

没有人能够更轻蔑地展示为了促进交流，把分隔国家的山脉挖开，然而又在每端设立关卡的可笑矛盾。

The realistic face pressure is expected to be equal to earth pressure at-rest both for making face stability and decreasing fraction resistance between cutterhead of shield and soils during tunneling process.

考虑到减少刀具磨损和节约能源问题，推荐理想的掘进工作面土压力为静止侧向土压力。

As tunneling and cutting equipment of a shield machine ,the cutterhead can excavate stratum,stabilize excavation face,mix soil slag, etc.

刀盘是机械化盾构机的掘削机构，具有开挖地层、稳定开挖面、搅拌渣土等功能，并承受大扭矩、大推力和冲击载荷的作用，其工作状况非常恶劣。

Derived from Mindlin solution, the deformation formula induced by torque between cutterhead and soil is obtained by integration and coordinate transformation, which leads to the total deformation formula induced by shield tunneling.

基于盾构施工过程，利用弹性力学Mindlin解，通过坐标变换经积分推导刀盘与土体之间摩擦力所引起的地面变形计算公式，并得到盾构施工引起的总地面变形计算公式。

By considering torque characteristics of variable-frequency motors and mesh stiffness as well as backlash nonlinearity in gear transmission,a dynamics model for the cutting system of shield tunneling machine with redundant drives was established. The fluctuation characteristics of torque loads and dynamic cutterhead driving torque in composite strata were analyzed.

复合地层掘进扭矩载荷突变是造成盾构机掘进过程中堵转停机的直接原因，考虑盾构机刀盘驱动变频调速电机特性、转矩传递过程中齿轮啮合刚度及齿侧间隙等非线性因素，建立冗余驱动的盾构机刀盘切削系统机电耦合动力学模型；针对典型复合地层地质条件，对盾构机在上软下硬地层掘进过程中刀盘驱动转矩动态特性进行仿真分析。

The available tunneling depth of channel carriers is dependent of frequency. Hence traps density in opposition to dielectric depth is extracted by charge pumping current and frequency.

通道电子能穿隧的深度会随著不同操作频率而改变，因此可由电荷帮浦电流对应到频率便能得知在闸极介电层中不同深度的缺陷密度。

Enhanced cross section; neutron formation; particle-wave transformation; resonance, tunneling and screening; exotic particles; formation of proton or deuteron clusters; formation of electron clusters.

改进的横剖面；中子形成；微粒挥动变革；共鸣，挖洞和筛选；异乎寻常的微粒；氢核或氘核群的形成；电子群的形成。

The modified electrode was characterized by X-ray diffractometer and scanning tunneling microscope techniques.

研制了一种新型掺铈纳米二氧化铅修饰电极，用X射线衍射和扫描隧道显微镜进行了表征。

How are these results modified for tunneling in a dissipative system

这结果对耗散系统下的隧穿是如何被修正的？

A novel edge-triggered D-flip-flop based on a resonant tunneling diode is proposed and used to construct a binary frequency divider.

提出了一种基于共振隧穿二极管的新型边沿触发D触发器并将之用于构成二进制分频器。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。