查询词典 optical instrument

Cross hair or crosshair: Either of two fine strand s of wire crossed in the focus of the eyepiece of an optical instrument and used as a calibration or sighting reference.

"十字丝：呈十字形交叉于光学仪器的目镜焦点上的两根细丝之一，用于校准或瞄准参考。"

With curvilinear regression analysis we can prove that the result of the new approach is high correlation with MTF measured by optical instrument, in other words, the new method is sensitive to the change of image definition. When compared with traditional method, the result of analysis can also show that the new method is better than traditional method, such as entropy, to assess gray scale digital image definition.

目前 ，对数字图像清晰度的评价方法主要有空域参数方差、熵以及频域调制传递函数MTF等，但由于这些方法各有优缺点，如空域参数虽评价简洁、快速，但对图像清晰度的细小变化不敏感；频域参数虽对图像清晰度变化敏感，但计算较慢，不宜程序运算的自动化。

Densitometer: An optical instrument used to measure the intensity of transmitted or reflected light.

密度计：用来量度透射或反射光的强度的一种光学仪器。

Our company specializes in production and management: Domestic imports Diphosgene kraft paper, kraft paper Lamination,¤kraft paper, paper printing paper, packaging paper, refined kraft wrapping paper, cardboard cow, single-ray paper, writing paper, insulation paper, single, double face copy paper, single-, double-sided copper plate paper, paper×whiteboard, whiteboard white paper, newsprint, domestic / import two-sided offset paper, tissue paper and BOPP films, all types of Asian film industry and special packaging paper paper, office paper and paper products, varieties of a total of more than 1800 kinds, involving industry has glass, toys, plants, garment factories, shoe factories, printing, paper packaging plant, Adhesive Products Factory,§, food Factory, optical instrument factory, leather factory, line Manufacturer, PCB Circuit Manufacturer, Lamination Plant, a large electronics factory, electroplating plants and so on.

本公司专业生产和经营：国产进口双光牛皮纸、压合牛皮纸、淋膜牛皮纸、票据打印纸，包装牛皮纸，精制牛皮包装纸、牛卡纸、单光纸、书写纸、绝缘纸、单、双面拷贝纸、单、双面铜板纸、灰底白板纸、白底白板纸、新闻纸、国产/进口双胶纸、棉纸、及BOPP光膜，亚膜等各类工业用纸及特殊包装用纸，办公用纸和食品用纸，品种共1800多种，涉及行业有玻璃厂、玩具厂、制衣厂、鞋厂、印刷厂、纸品包装厂、胶粘制品厂、铝材厂、食品厂，光学仪器厂、皮具厂、线路板厂、PCB电路板厂、覆铜板厂、大型电子厂、电镀厂等。

Carbon fiber composite material used in space optical instrument.

碳纤维复合材料应用于航天光学遥感器遮光镜筒

Product purpose 产品用途 Applied for car indoor parts, household appliances, precision optical instrument and etc.

汽车塑料内饰件、家电等电子电器产品、精密光学仪器等。

The company is mainly engaged in production of small sized precision CNC lathe, which have been widely used in communication, refrigeration, optical instrument, household appliances, auto, motorcycle, electronics, special electric machine, clockwork etc.

XKNC系列排刀式CNC车床、TX系列回转刀塔式CNC车床、SL系列纵切式CNC车床、加工中心，自动钻铣机，高速自动冲切裁断机六大类共计50多种规格。西安北村精密机械有限公司成立于2000年4月，是国内率先引进国外先进技术及生产经验的生产小型精密数控机床的中外合资企业。

The problem of track measurement of model free flight by optical instrument is studied mainly.

主要讨论了采用光测设备测量模型自由飞的轨迹问题。

Diamond Micron Powder is made of diamond crystal,It is used extensively in electronics,aviation and space flight,optical instrument,glass,ceramics,petroleum,geology and other fields.

描述： 人造金刚石微粉是将人造金刚石单晶经过精加工后制成的一种极细的新型超硬材料。

Either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration.

相交在一台光学仪器焦距平面的两条相互垂直的直线中的任何一条，用来瞄准或者校准。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。