The resulting laser-machined holes have a much higher aspect ratio (diameter to depth ratio) than holes achieved with standard fabrication techniques.
激光加工产生的孔比标准制造技术有更高的直径深比。
The holes are only borings, less than a foot in diameter.
这些洞只不过是一些钻孔，直径不到1英尺。
They create a series of pores ranging from 5 to 25 nm in diameter by placing flakes of graphene over a silicon nitride membrane and drilling nanosized holes in the graphene using an electron beam.
通过将石墨烯薄片放置在一个氮化硅薄膜上，并用电子束在石墨烯上打出纳米尺度的孔，他们制作出了一系列从5到25nm直径的孔。
In general can be twist drill hole, but you should drill holes, step and then expanded to the required diameter.
用一般的麻花钻即可开孔，但应先钻小孔，然后步扩大到所需直径。
Bolt circle diameter and pitch between bolt holes.
螺栓圆周直径及螺栓孔间距。
Measuring valve spool with holes and gaps, valve hole diameter is 50?
测量阀孔和阀芯的配合间隙，阀孔直径为50 ？
An example is a bolt hole circle, in which the diameter of the bolt circle, the spacing of thebolt holes, and other parameters must be specified.
例如螺栓孔圆形，螺栓圈的直径，其中必须指定螺栓孔和其他参数的间距。
After the simulation, the relationship of fundamental mode loss with the core index, wavelength and the diameter of cladding air holes is given.
通过模拟，给出基模损耗同芯折射率、光波长和包层空气孔直径之间的一般规律。
The results indicated the arrayed rule, density and diameter of the drawing holes affect the limit drawing height of sheet metal drastically.
分析结果表明，拉深孔排列规律、密度和孔径变化对板料的极限拉深高度有很大影响。
By this model, we compare the cooling effectiveness of three methods and analysis cooling characters when reduce the diameter and pitch of the holes at the same scale.
利用该模型针对某燃烧室设计进行壁温预测，并进行了三种增大冷气量方法的冷却效果比较，研究了同比例减小孔径和孔间距的冷却特性。
The enlargement of hole diameter increased the exposed area and pressure releasing range of bored coal seam, and raised gas drainage amount and discharging effect from holes.
通过扩大钻孔的直径，从而达到增加钻孔的煤层暴露面积和卸压范围，增大钻孔抽排瓦斯量，提高钻孔的抽排效果。
It can measure not only the inner diameter, outer diameter and linearity error, but also the center distance between holes, taper and position errors such as coaxality, verticality, etc.
它不仅可以测量内径、外径和直线度误差，还可以测量孔中心距、锥度和同轴度、垂直度等位置误差。
Make use of small diameter twist drill to change it into drill of wearing intersect holes and put it into the ability education of locksmith.
利用小直径麻花钻，改磨成“排孔钻”，并运用于技工学校的钳工专业技能培。
The thickness of phellem, aerenchyma, diameter of vessel holes, and the number of vessels are related to the anti-waterlogging character.
木栓厚度，通气组织，管孔直径和导管数量与抗涝性相关。
The results indicated that there existed a good linear relation between the a signal amplitude and the diameter and position of the holes.
结果表明，缺陷信号幅值与孔形缺陷直径及其埋藏深度有良好的线性关系。
The type of explosive used, rock properties, and method of loading and sequence of firing the holes, affect hole depth, diameter, alignment and spacing.
采用的炸药的类型、岩石的特性、装岩方法、各个钻孔的起爆顺序，这些都影响着钻孔深度、直径、排列和间距的确定。
Two kinds of different diameter holes.
可冲两种直径的孔。
The diameter and depth of the holes eroded by HPAWJ increase with the increase of stand-off-distance.
磨料水射流加工孔的直径和深度随靶距的增加而增加。
Roundness error is evaluated by minimum region law. The diameter of the holes and the distance between the axes of two holes are calculated and measured by program.
在测量尺寸时，依据图像分割所提取的轮廓，使用自编程序利用最小区域法对圆度误差进行评定，并计算、测量链板的孔径和节距。
Permissible deviation of bolt hole circle diameter on flange and permissible limited deviation of two adjacent holes on flange shall be less than 0.6mm.
法兰螺栓口中心圆的直径的容许偏差及法兰相邻两孔极限容许偏差的应小于0.6毫米。
Pedicle screws (3.5 mm diameter) were placed in the pilot holes. The spines were then dissected to separate the vertebrae, and the trajectory of the screws was visually inspected.
在引导孔内放置椎弓根螺钉(直径3.5mm)，随即解剖并分离椎骨，此时就可以直观的观察到螺钉的轨线。
Note: It may be necessary to drill clearance holes, twice the diameter of the screw, through the probe to accommodate projecting mounting screws.
注：可能有必要钻一个小孔，直径为螺钉的两倍大，用探头来接触突出的安装螺钉。
The quantity of explosives and the blast-hole spacing are dependent upon the type and structure of the rock and the diameter and depth of the blast holes.
用药量和炮眼间距取决于岩石的范例和布局以及炮眼的直径和深度。
The law of critical depth varying with diameter and deviation distance and the hidden holes handling range under subgrade were found out; also the effects of dynamic and static load were compared.
找出了临界洞室埋深随洞径和偏移距离变化的规律，并确定出了路基下伏暗穴治理范围，同时对动、静荷载效应进行了对比分析。
In experiment, output modes of hundred-micron core diameter fiber laser are controled by the hole in the laser cavity, and the effects to beam quality are researched with holes of different diameters.
实验中，采用腔内小孔法对百微米芯径光纤激光器的输出激光模式进行控制，研究了不同孔径对输出激光光束质量的影响。
Some key techniques were analyzed when designed vibration device, and a new method was put forward for small-diameter deep holes.
并分析了超声振动钻削装置设计中的一些关键技术问题，为在摇臂钻床上加工小直径深孔提供了一种新的工艺方法。
The analysis of the result shows that the more the number of the stress-releasing holes and the bigger the diameter of the hole, the better …
认为，所打钻孔数量越多和钻孔直径越大，规卸载效果越好。
The analysis of the result shows that the more the number of the stress-releasing holes and the bigger the diameter of the hole, the better …
认为，所打钻孔数量越多和钻孔直径越大，规卸载效果越好。
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