light density造句
例句與造句
- in this definition, the contrast is given by the ratio of two light densities .
對比度定義為兩個光密度之比。 - the definition and sharpness of the images depends on the light density of the surroundings and on the magnification .
象的分辨力和清晰度取決于周圍背景的光密度和放大率。 - high brightness 7-color leds and light density of each color can be automatically switched
采用超高亮度七彩led，可自動轉(zhuǎn)換顏色和亮度。 - effect of pruning on light density, yield and biomass of crops in poplar-crop intercropping system
國外混農(nóng)林業(yè)系統(tǒng)中林木與農(nóng)作物的相互關系研究進展 - 3 . using mathematics morphology on the abstraction of chromatic light density and veins characteristic of the blood cell image
對血細胞圖像進行數(shù)學形態(tài)學，彩色光密度和紋理特征的提取。 - It's difficult to find light density in a sentence. 用light density造句挺難的
- the light density has been directly defined as the square of an absolute value and it is used to describe the propagation and transformation of laser beam in the traditional scalar diffraction theory
在傳統(tǒng)的標量衍射理論中，采用光場復振幅的平方作為光強的定義來描述光場的能量傳輸規(guī)律。 - a new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented . the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results . it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt
本文提出了基于單光纖光強度反射法的非接觸式微振動測量系統(tǒng)的原理，并設計制造了該測試系統(tǒng)，探索出了簡單方便可靠的測量方法，能夠準確客觀地反映蔭罩振動的各項參數(shù)(各振動模的振動頻率、振幅、衰減時間)，實現(xiàn)了測試裝置的簡便化和測試過程的自動化，為cpt張緊式蔭罩系統(tǒng)的性能改進與顯示質(zhì)量的提高提供了有效的測試分析手段。 - eight concrete samples of different compound ratio of artificial lightweight aggregate ( coarse aggregate of expanded shale ) and ordinary aggregate, water-reducing admixture, expanding admixture, etc, are compounded firstly, based on the research of main properties such as agitating property, strength, dry surface density and deformation, an optimum compound ratio of the concrete with high strength ( cl40 ), light density ( 1800 ) and slight expand is achieved
首先，采用人造輕骨料(頁巖陶粒)及普通骨料，加入減水劑、膨脹劑等，配制出了八種不同配合比的輕骨料砼與普通砼，并對其和易性、強度、干表觀密度、變形等主要性能進行了試驗研究，得到了強度等級cl40，密度等級1800的輕骨料中高強度微膨脹砼最佳配合比。