中心轴

A unobstructed four-mirror anastigmat system was proposed, which was modified based on three-mirror anastigmat and had compacter structure.

介绍了一种无中心遮拦的离轴四反射镜系统，由离轴三反系统改进而成，结构更加紧凑。

Angularity - Angularity is the condition of a surface, axis, or center plane, which is at a specified angle other than 0, 90, 180 or 270 deg.

角度--就是一个表面，轴，或中心面的相对与基准平面或基准轴的角度状态0，90，180，270除外

When power is transmitted to the elevator shaft, it drives the splined center wheel and the planetary mechanism which consists of three planetary wheels forming 120 degrees with each other and the inner gears drives the drum to rotate, the hoisting band brake is combined with the hoisting disc, and the drum's left ring is combined with the braking band brake, then the elevator has three status: hoisting, braking, and lowering down.

当动力传至升降机轴后，轴带动与花键联接的中心轮，三个互成120度的行心轮及内齿圈组成的行星机构，使卷筒回转，提升抱闸与提升盘结合，卷筒左端外圈与制动抱闸结合，这样升降机具有提升、制动、下降三种工作状态。

Among these features are: absence of the nuclear rotation and development of the centriolar complex and the initial region of the axoneme in a position directly perpendicular to the basal pole of the nucleus and presence of numerous thick anchoring fibrils connecting the proximal centriole and the proximal part of the distal centriole to the nucleus.

其特点主要是：生精过程中不发生细胞核的旋转，中心粒复合体和轴丝起始段直接发生在核的基底面垂直线上，有无数的粗的固定纤维将近端中心粒和远端中心粒的近侧部连接到细胞核上。

The following are the expressionsfor the mean pressure set up at the detection plate and for the time of the signal toprogagate from the radiator to the detector:这里是1个公式,省略） where Re is the real part of the expression appearing within the braces, 0 is the density ofthe medium, vo is the amplitude of the vibrational velocity, c is the speed of sound in themedium, d2 = I +(r/zcos 8, z is the distance between the emitting and receiving plates, B is the angle between the axis of the acoustic channel andthe axis of the tube, r = vro/c, v is the flow speed of the fluid, d is thediameter of the pipe, m is the circular frequency, k is the wave number,where a is the radius of the plate (this is taken as the same for the emitting and receivingplates for simplicity, but there is no difficulty in discussing plates differ~mg in radii),,~ is the vibrational frequency of the emitting plate, andThe triple sums in the expressions for N~ and N2 may be neglected if the flow speed islow, since the contributions for these become negligible.

以下是表达式平均压力为定于检测板和为信号时间progagate从散热器到探测器：（这里是1个公式，省略）假如再是出现在大括号表达式的实部，0是密度中期，沃是速度的振动幅度，C是健全的速度中，D2中=我+的导向8，z是对之间的距离发射与接收板，B是声之间的通道轴角该管的轴，R =中心内大多分为/荤，v是流体的流动速度，，D是管道直径，m是圆频率，k是波数，的其中一盘是半径（这是为重点，同样的发射与接收为le简单板，但没有讨论板的困难，在半径不同毫克），，是发光板振动频率，和在N的表达式的三重总结和N2可以忽略，如果流速低，因为这些变得微不足道的贡献。

If, therefore, the casing has an opening , as at DD, to allow the air to escape and the center or inlet of the fan is connected to the upcast shaft by means of a fan drift, air will be sucked up the upcast shaft and discharged into the atmosphere at the oulet,O.⑨Thus the upcast air column is rare fied or rendered less dense than that in the downcast shaft.

因此，如果套管有开放的，因为在房屋署副署长，让空气逃脱中心或进气道的风扇连接到upcast轴通过一个风扇漂移，空气将被吸了upcast轴和排放到大气中，在oulet ，澳⑨因此upcast空栏是罕见然后将该或使其密度较低，比在downcast轴。

For guaranting the centre of oscillating axle in oscilla tor head being coincident with the centre of hone 's arc surface and centre of raceway curvity, JFX series optical diopters are adopted for adjustment.

在球轴承套圈沟道超精时，为保证振荡头摆轴中心、油石圆弧面中心和沟道曲率中心三者重合，采用JFX系列光学瞄准器具有很多优点，文中介绍了该仪器的光学原理、使用方法和注意事项等。

Calculates the coordinates of the spindle and drive shaft and checking the center distance, determined department spindle must use dislodges the gear.

根据柴油机齿轮室盖的结构特点、加工部位、尺寸精度、表面粗糙度及生产率等要求，确定该机床为单工位卧式组合机床；为确保加工精度，采用&一面两销&的定位方案；为实现无级调速，安全可靠，选择液压滑台；根据零件的大小及被加工孔的位置确定主轴箱的轮廓尺寸；由加工工艺选择滚珠轴承主轴，通过计算扭矩确定主轴和传动轴的直径；齿轮的模数是通过类比法确定；齿轮齿数和中间传动轴的位置是由&计算、作图和多次试凑&相结合的办法确定；计算主轴、传动轴的坐标并进行中心距验算，确定部分轴上需采用变位齿轮；轴上的齿轮套、键等零件按轴号选取相应的标准件。

Processing and testing equipment more than 80 Taiwan by foreign imports, with Japan's OKUMA MCR-20A-5 face of the goal processing center, Germany KLINGELNBERG company's seven-axis CNC Grinder HNC35S, Japan and OKUMA MAZAK multiple horizontal, legislation Machining center, Switzerland's Ball Screw REISHAUER grinder and worm grinder; Finland FINN-POWER NIGHT TRAIN company's digital sheet metal flexible production line, Germany Wagner's electrostatic spraying line; Germany's fast-CNC laser cutting machine, Germany WENZEL companies coordinate measuring instrument, Germany's PNC/65 KLINGELNBERG gear measuring centres and the like.

加工和检测设备80多台均由国外引进，拥有日本OKUMA公司的MCR-20A龙门式五面体加工中心，德国KLINGELNBERG公司七轴联动的HNC35S数控磨床，日本MAZAK和OKUMA的多台卧式、立式加工中心，瑞士REISHAUER公司的滚珠丝杠磨床和蜗杆磨床；芬兰FINN-POWER公司的NIGHT TRAIN 数字化柔性钣金生产线，德国瓦格纳公司的静电喷涂流水线；德国快通公司的数控激光切割机，德国WENZEL公司的三坐标测量仪，德国KLINGELNBERG公司的PNC/65齿轮测量中心等等。

The main products are vertical machining centers, horizontal machining centers, CNC lathes and drill Center attack, the annual production of various high-speed, high-precision, 5-axis CNC machine tools and heavy cutting more than 4,000 Taiwan, the mainland has been selling all kinds of Machine 4000 / sets.

主要产品有立式加工中心、卧式加工中心、数控车床和钻攻中心，每年生产各种高速，高精度，五轴和重切削数控机床四千余台，目前在大陆已销售各种机床4000台/套。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。