查询词典 grating

Meanwhile, the larger the relative aperture of the holographic concave grating on aspherical surface is, the more compact the flat-field spectrograph will be.

同时，利用较大相对孔径非球面全息凹面光栅，可使平场光谱仪的结构更紧凑，从而可实现平场光谱仪的小型化。

A new design of Fiber Bragg Grating strain sensor with rhombic encapsulation structure was developed.

研制了一种新颖的菱形光纤布拉格光栅低温传感器。

The application of fiber Bragg grating sensors in the monitoring system of the Shenzhen citizen center roof spatial truss structure was presented.

介绍了光纤光栅传感器在深圳市民中心屋顶网架结构中的应用情况。

The ray tracing map of a concave grating ruled on toroidal surface proves the feasibility of the method.

通过刻划在非球面基坯上的凹面光栅验证了光线追迹方法的可靠性。

This is the time when spring is grating into summer, the leaves a tender green and the flowers blooming - among which the girls are giggling when evading an out-reaching stem, their skirts tucked in for fear that the sampan might tilt.

树缝里也漏着一两点路灯光，没精打采的，是渴睡人的眼。这时候最热闹的，要数树上的蝉声与水里的蛙声；但热闹是它们的，我什么也没有。

The present invention makes it possible to make sample fiber grating with variable or fixed period simply and reliably.

控制了两次曝光的时间间隔，便可以控制取样周期；控制了曝光时间，便可以实现变占空比。

The structure light 3-D measurement system is based on the structure light scanning binocular vision measurement of machine vision diffraction grating code principle technology.

本文提出的结构光面扫描三维测量系统是基于机器视觉光栅编码原理的结构光扫描双目视觉测量技术。

Each sea chest will have a grating made of hot galvanised flat bars with a min. open area of 2 times the sum of the suction pipes of the respective sea chest. Design according to Builder's standard.

每只海水柜应布置有由镀锌平板制成的格栅，格栅的最小开口面积为与各个海水柜相连接的吸水管面积之和的2倍，具体设计根据建造方的标准。

We tested different methods much time to record . Finally , We found a good method . That's placed a grating in front of the digital camera len to take single slit diffraction spectrum pictures in the dark space.

这期间我们花了很多时间与方法，尝试将肉眼观察到的影像，在自设的简单暗房中，将光栅卡在数位相机的镜头前，以脚架或翻拍架拍摄下来。

On the base of the theory, phenomenon of optical diffraction from a single slit, round aperture, grating, and so on are analyzed according to the ideal of wave-front filtering.

在此理论基础上，根据波前滤波思想，对单缝、圆屏、光栅等衍射现象进行了分析；同时也分析了空域滤波、空频域滤波、光学成像系统。

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。