1) variable optical density
可变光学密度
2) variable density filter
可变密度滤光器
3) variable density
可变密度
1.
A method of artificial neural network and a model of three level feed toward back propagation neural network of variable density volume prediction for the Chinese fir are introduced, which could be used to simulates the nonlinear relation among site quality?stand age?stand density and stand volume.
采用人工神经网络方法拟合杉木林分蓄积量与立地质量、林龄、林分密度之间的非线性关系 ,建立了杉木可变密度蓄积量收获预估 BP网络模型 ,并对所建立的模型进行精度检验。
4) optical density
光学密度
1.
Optical density change of coating film and the method for evaluating coating non-uniformity quantitatively were given, which supply theoretic evidence for optimization design of holographic coating process parameter.
研究了工艺参数对全息涂料涂布均匀性的影响规律,给出了涂膜光学密度变化的数学表达式,以及定量评价涂布不均匀度的方法,为涂布工艺参数的优化设计,提供了理论依据。
5) density(optical demsity)
密度(光学密度)
6) densitometer
[英][,densə'tɔmitə] [美][,dɛnsə'tɑmətɚ]
光学密度计
1.
System of data sampling and processing for densitometer;
光学密度计数据采集电路设计
2.
Auto-collection electrocircuit of densitometer design base on EPP;
基于EPP的光学密度计数据自动采集电路设计
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条