The orifice shape and aperture size is one vibration source on aerostatic bearing.

在空气静压导轨中，节流孔形状和孔径大小是主要振源之一。

The effect of the different aperture size and the area of the membrane, operation pressure were studied.

实验中比较了不同膜管孔径、膜管面积、操作压力等对乳酸杆菌发酵液浓缩效果的影响。

Is it true that there is no direct conversion between the aperture size (diameter) and meshes of silk screen?

丝网孔度(直径)和目之间是否无法直接换算？

The aperture size (area of the aperture) of a lens could be calculated from focal length and the correspondent f-number.

光圈孔的大小，可从镜头的焦距与焦距比数中计算出来。

There is a contradiction between miniature aperture size and high accuracy in the interferometer Direction-finding machine.

干涉式测向机存在着阵孔径大小和准确度之间的矛盾。

Each aperture size (referred to as a stop) is marked with a corresponding number that represents half the light of the previous stop.

每一档数字都是比前档减少一半的通孔大小。

The photosensitive pad for stamp has small aperture size, high homogeneity and stable product quality and can meet relevant requirement.

本发明的用于印章的光敏垫，孔径尺寸小、均匀性好，产品质量稳定。能够满足有关方面的需要。

So you have these two parameters, shutter speed and aperture size, both of which do essentially the same thing: control how much light gets in.

现在你已经了解了这两个参数——快门速度和光圈大小，他们从本质上来说有同一个功能：控制进入相机的光线总量。

Objective To determine the role of shape alteration and aperture size of transverse foramen in the vertebral artery type of cervical spondylosis.

目的通过对颈椎横突孔的测量与对椎动脉的形态的观察，评价横突孔在椎动脉型颈椎病形成过程中的实际作用。

Each number does not necessarily correspond to a specific size of the aperture opening, but is a relative number.

每组数字并非是光圈打开大小的特定值，只是一个程度的相关体现。

A full description of the variable aperture collimator, which makes it easier to switch field size during CyberKnife procedures, is published in Physics in Medicine & Biology.

可变孔径准直器在赛博刀治疗规程中能更容易地切换射野大小，关于它的完整性能描述刊登在了《医学与生物学物理》杂志上。

The size of the aperture not only affects how much light reaches the sensor, but also how much of the image is in focus.

光圈的大小不仅影响感光程度，同时还影响在对焦范围的大小。

For the same water depth and same aperture, the gas flow was the major factor for effecting the bubble size and velocity.

对于相同的水深和相同的孔径，流量是影响气泡大小和速度的主要因素。

The size and the forms of aperture of 10 cultivars and 22 species of pollen in Vitis were studied.

本试验对10个葡萄品种及22个野生种的花粉大小及萌发孔形状进行了观察。

You may also want large aperture (size), but don't forget portability and convenience.

你也许想要更大的口径，但是不要忘了便携性和方便性。

The discharging capacity is controlled by a rotary flow generator and the barrage size, the influence of the barrage aperture on discharge is obvious, but the effect o.

泄流能力由起旋器与阻塞共同控制，阻塞孔径对泄流量影响较大，但阻塞位置对流量影响不明显。

The system can be set up and adjusted quite easily and used to test large-aperture optical elements without high quality reference optics of the same size.

该系统结构简单，调整方便，并可以用作检验大口径光学元件而勿需同样尺寸的高质量参考光学件。

Meanwhile, according to the experimental results, the resolution of the imaging system is decided by the size of unit on the DMD when the aperture of lens is big enough.

且实验表明在透镜口径足够大时，成像系统的分辨率由DMD面元大小决定。

Based on the diffraction optics, this paper analysis the effect of aperture matching on EMR, size of focus point and focus depth of the object in detail.

本文以衍射光学为基础，详尽地分析了光束孔径匹配对光能耦合效率、光斑尺寸、物镜焦深的影响。

The reading aperture of a densitometer refers to the size of the spot it will measure.

浓度计的读书开口提到大小它将测量的斑点。

The factors influencing the permeability characteristic and REV size of rock masses such as trace length, space, aperture, inclination and the number of joint sets are discussed.

随后讨论节理迹长、间距、开度、产状和组数等结构面几何特征对岩体渗透特性及表征单元体积的影响。

The experimental demonstration of the little-size serrated aperture instead of circular aperture in the laser system is given.

报道了在光路中使用小尺寸波纹光阑代替圆孔光阑的研究结果。

Furthermore, taking phase error of RF front-end, sampling error of high-speed ADC and the size of array into consideration, the image quality of synthetic aperture DSMR is still poor.

受射频前端相位误差、ADC采样误差及阵元个数有限的影响，综合孔径直接采样微波辐射计成像质量仍然较低。

While the modulation characteristics disappear as the outer circular aperture is bigger than 1.5 times of the beam waist size, the results offer reasonable aperture parameter for diffraction.

当外孔大于1.5倍束腰时，衍射后轴上光强调制被有效压抑，这为选择光阑提供了合理参数。