查询词典 prism level

The result shows that the measure of dredging will increase the tidal prism, so does that of eastern jetty with dredging. However, the tidal prism may decrease for the measure of double jetties, depending on the elevation.

研究结果表明，灌河口航道单纯疏浚工程会增加灌河纳潮量，增设单导堤后纳潮量将会进一步增加，而双导堤工程后，灌河的纳潮量既有可能增加也有可能减少，主要取决于导堤高程。

In one embodiment of the present invention, the optical fingerprint sensor includes:(1) a light source on a PCB assembly,(2) a diffuser that receives light from the light source,(3) a right angle prism that receives light from the diffuser,(4) a collimating lens that receives light from the prism,(5) a first mirror that receives light from the collimating lens,(6) a second mirror that receives light from the first mirror,(7) a third mirror that receives light from the second mirror,(8) an imaging lens that receives light from the third mirror, and (9) an image sensor on the same PCB assembly as the light source that receives light from the imaging lens.

在本发明的实例中，该光学指纹传感器包括有：①一个装在印刷电路板上的光源；②一个散射镜接收从光源发出的光；③一个直角棱镜接收从散射镜出来的光；④一个准直透镜接收从棱镜出来的光；⑤第一块镜子接收从准直透镜出来的光；⑥第二块镜子接收从第一块镜子出来的光；⑦第三块镜子接收从第二块镜子出来的光；⑧一块成像镜接收从第三块镜子出来的光；⑨一个与光源安装在同一块印刷电路板上的图像传感器接收从成像镜出来的光。

An inconvenience of prism couplers is that the prism material must have a high refractive index ??

棱镜耦合器的一个不方便的地方是棱镜材料必须有较高的折射率？

Face on the first glass prism element. The interference filter is formed by depositingtwo prism elements are joined together.

这个滤光片是在两个棱镜连接前由第二棱镜一面镀SiO2/TiO2复合层膜构成。

A dichroic interference filter is interposed between the two prism elements and is disposed at an angle of 221/2 to an input face on the first glass prism element.

将一块二向色干涉滤光片介入两个棱镜中，并使它倾向于第一面棱镜投入面的221 ~222 角之间。干涉滤光片是由含有二氧化硅和二氧化钛的沉积候补层制成的。

A dichroic interference filter is interposed between the two prism elements and is disposed at an angle of 221/2° to an input face on the first glass prism element.

将一块二向色干涉滤光片介入两个棱镜中，并使它倾向于第一面棱镜投入面的221°~222°角之间。

The theories of cuneiform prism and series neutral glass slices used as laser attenuator are analyzed in this paper. An aberration-free laser quantitative attenuator made of cuneiform prism is adopted and a series of neutral attenuated slices are used for adjusting laser-beam enegy at the same time.

分析了楔形镜和中性玻璃衰减片组对光束的衰减原理，采用反射式楔形镜作为无像差定量衰减器，并同时使用中性玻璃衰减片组微调光束能量。

The invention comprises a free-form surface prism with three optical surfaces, and a micro-image display; the free-form surface prism is made of plastic glass materials with the refractive index greater than 1; the three free-form optical surfaces are concave surfaces, which meet one of the three surface-type equations, and the location relationship of each surface meets three condition equations; the incident angle formed between the widest-field upper edge rays emitted by an LCD and the second free-form surface meets the total reflection conditions; and an image source element is an LCD of 0.61 or 0.59 inches.

本发明包含一个具有三个光学表面的自由曲面棱镜和一个微型图像显示器，自由曲面棱镜采用折射率大于1的塑料玻璃材料，自由曲面棱镜的三个自由曲面光学表面均为凹形面，它们应满足三个面型方程之一，并且各表面的位置关系应满足三个条件方程，由LCD发出的最大视场上边缘光线在第二自由曲面上的入射角应满足全反射条件，像源元件为0.61或0.59英寸的LCD。

The measurement setup is composed of polarizing prism, normal quarter-wave plate, analyzing prism, lock-in amplifier and microprocessor.

测量系统主要由起偏棱镜、标准四分之一波片、检偏棱镜、锁相放大器和微处理器构成。

Phase coating on roof prism serves mainly for reducing interruption of light inside roof prism and thus enhance acutance of images.

在屋脊棱镜上镀制相位膜，其主要目的是为了减小屋脊镜内光波的干涉，增加影像锐度。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。