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- In initial stage of decomposition, litter loss accorded with an exponential attenuation model. 分解初期,枯枝落叶的损失符合指数衰减模型。
- Abstract: On the basis of ultrasonic attenuation model, a portable detector used in void content of carbon-fiber reinforced plastics in aeronautic field is developed. 摘 要: 摘要针对航空领域专用的碳纤维复合材料板材，以超声波的声衰减模型为基础，研制了用于孔隙率检测的便携式超声仪器。
- Result shows that monomial exponential attenuation model can be used to simulate decay process of fallen woods. The decomposition constant of Abies fallen wood is 0.0168/a(r 2=0.9483),while fallen wood of Picea is 0.0150/a(r 2=0.8895). 研究表明 ;云冷杉倒木的腐烂分解过程符合单项指数衰减模型 ;冷杉倒木的分解常数为 0 .;0 1 6 8/a( r2 =0
- Considering the nonlinear affects of various parameters on rain attenuation,we propose a new rain attenuation model based on evolutionary neural network and compare it with the ITU-R model. 本文在考虑多个参数对雨衰减非线性影响的基础上,建立了基于进化神经网络的雨衰减模型,并与ITU-R模型进行了比较。
- By sea clutter and ground clutter modeling,electron jammer modeling atmosphere attenuation modeling,the cruise missile flight con. 通过建立杂波模型、电子干扰模型以及大气衰减模型,分析了巡航弹飞行环境对雷达探测性能的影响。
- In this paper,discussions are made on the widely applied intensity attenuation models of seismic hazard analysis: the point-source model introduced by Cornell,C. A. and the fault-rupture model given by Der Kiureghian and A. 本文讨论在地震危险性分析中目前使用广泛的地震烈度衰减模型;即Cornell建立的点源模型和洪华生(A.;H-S
- sound propagation attenuation model 声传播衰减模型
- Sato's single-scattering attenuation model Sato单次散射模型
- attenuation model of earthquake intensity in coalfield 矿震烈度衰减模型
- three segment geometry attenuation models 三段几何衰减模型
- An earth-space path rain attenuation model based on evolutionay neural network 基于进化神经网络的地空路径雨衰减模型
- Standing by him was a model worker. 站在他旁的是一位劳动模范。
- I think I can get that special model for you. 我想我可以为你找到那种特别的型号。
- She has been held up as a model worker. 她被推举为模范工作者。
- He showed us a model of the new office building. 他给我们看了新办公楼的模型。
- Three forms of pulsation attenuator models were designed and their performance parameters were determined. 设计了三种形式的供浆系统脉冲衰减器模型并测定其性能参数。
- He taught Tom how to make a model airplane. 他教汤姆作模型飞机的方法。
- John is repairing his model plane at his leisure. 约翰不慌不忙地修理着他的航模。
- The old sailor chipped out a tiny model boat. 那名老水手一点儿一点儿地削出一个小船模型。
- The luxury model gives a smoother ride. 坐这种豪华型汽车感觉很平稳。
