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A rain attenuation model based on artificial neural network is proposed to deal with the problem in this paper.

本文针对现有预测模型存在原理上的误差这一问题，将人工神经网络应用于雨衰减的预测中，建立了基于人工神经网络的雨衰减模型。

Considering the bounding surface plasticity constitutive model of soil, the program, named as WSDP, is coded to analyse the dynamic elastoplastic responses of two-dimensional soil layer.

讨论土体本构关系、土层应力历史状态、人工边界的设置以及为消除人工边界高频振荡而采用的黏性阻尼等因素对土层动力反应的影响。

The effects of artificial viscosity coefficient and mesh density on simulation results were discussed. The larger artificial viscosity coefficients and coarser meshes can smear off peak pressure of shock wave severely, but affect impulse little.

讨论了人工粘性、网格密度对计算结果的影响：较大的人工粘性系数和较粗的网格会严重抹平冲击波峰值压力，但对冲量影响较小。

Experimental results suggested that the sucrose in cliets could increase the activities of digestive enzymes,and the supplementing olive oil,bean oil,corn oil,and colza oil in diets could increase the lipase activity in the midgut.

因此，分析人工饲料中营养成分对消化酶活性的影响，不仅可以作为饲料中各营养成分消化、吸收和利用的重要指标，而且对人工饲料的合理配制具有重大意义。

An ion-implanted titanium alloy hip joint. Image courtesy of Oak Ridge National Laboratory.

译注：在人工关节的钛合金金属表面植入离子〈常为氮离子〉增加人工关节的硬度，减少磨损。

RESULTS:① Structural features of ABL: The appearance of ABL was similar to that of the normal human ligament.

结果： ①人工韧带的形态结构：生物型人工韧带的外观与正常肌腱外观相似。

It is said that scientists have developed a kind of artificial tree that can absorb thousand times more CO2 than ordinary trees. However, owing to the prohibitive cost, such kind of tree isn't being widely promoted.

有消息称科学家研制出一种&人工树&，较自然界的树，能吸收千倍的二氧化碳，但由于成本过高，人工树还没有得到大范围推广。

According to reports, scientists are currently developing a kind of artificial tree, capable of capturing up to a thousand times more carbon dioxide than its natural counterparts. However, owing to prohibitive costs, they haven't received much attention as of yet.

有消息称科学家研制出一种&人工树&，较自然界的树，能吸收千倍的二氧化碳，但由于成本过高，人工树还没有得到大范围推广。

Positronium atoms,[168] synthetic Penicillin,[169] synthetic self-replicating molecules,[170] and the genetic bases for Lou Gehrig's disease and Huntington's disease were first discovered at MIT.

此外，正电子原子，人工合成盘尼西林，人工合成的自我复制分子以及鲁格里克式病，亨廷顿式病的基因根源等成果均是在麻省理工掀开了面纱。

This paper analyses the mechanism of constructed wetland, give a method to calculate the area of wetland and select suitable plat.

本文分析了人工湿地去除污染物的机理，提出了人工湿地面积的计算方法和植物选择原则。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。