layer medium中文是什么意思

• 层状介质

• layer    n. 1.放置者，铺设者，计划者。 2.【赛马】(一般) ...
• medium    n. (pl. -dia ) 1.媒介物；传导体；媒质， ...
• medium access control layer    媒体存取控制层
• physical layer medium dependent    依赖于物理层模式
• physical medium sub-layer    物理媒介子层
• two-layer conducting medium    双层导电介质
• medium access control layer (mac)    媒体存取控制层
• physical layer medium-dependent protocol    物理层媒体相关协议
• pmd physical layer medium dependent    物理层中间依靠; 依赖于物理层模式
• by the medium of    以...为媒介
• medium    n. (pl. -dia ) 1.媒介物；传导体；媒质，基质，介质，介体；中间物；环境、生活情形。 2.手段，方法；媒介；〔常作 pl.〕宣传工具；传播媒介〔指报刊、广播、电视等〕。 3.中间，中庸；【数学】中数，平均；【逻辑学】中名辞；【生物学】培养基，培养液；颜料溶解液。 4.女巫，降神者。 5.【戏剧】(射火灯灯前的)隔板。 6.(纸张的)中号尺寸；〔pl.〕中型轰炸机。 mass media 大众传播媒介；宣传工具。 the happy medium 中庸。 the circulating medium ＝ the medium of circulation 通货。 adj. 中等的，中级的，普通的；平均的。 medium quality (中级)物品。 a medium bowler 【板球】(速球与缓球之间的)中球投球员。 by [through] the medium of 通过，以…为媒介。 medium of advertisement 广告媒介〔指报刊等〕。 medium of exchange 交换媒介；货币；支票。
• layer    n. 1.放置者，铺设者，计划者。 2.【赛马】(一般)赌客。 3.产卵的鸡。 4.【军事】瞄准手。 5.层；阶层；地层；涂层。 6.【植物；植物学】压条，倒伏庄稼。 7.敷设轨。 8.垫片，层板，夹层，膜。 a brick layer 砌砖者。 a mine layer 布雷舰艇。 a bad [good] layer 生蛋少[多]的鸡。 a layer of rock 一层岩石。 boundary layer 边层。 carburized layer 渗炭层。 turberlent layer 紊流附面层。 layers and backers (赛马等的)赌客。 vt. 1.分层砌。 2.用压条法繁殖。 vi. 庄稼倒伏。 n. -ing 分层套穿式时装。
• layer by    layer逐层
• layer in    layer层内层
• layer-for-layer    叠层绕组
• blocking layer to layer adhesion    带间粘着性
• h layer humus layer    腐殖质层
• layer by layer manuring    分层施肥
• layer by layer winding    逐层绕法
• layer to layer signal transfer    层间信号传递
• layer-by-layer distribution    分层装料
• layer-by-layer self-assembly    逐层自组装
• layer-by-layer winding    分层绕组; 逐层绕法
• layer-for-layer winding    分层绕组
• layer-on-layer foaming    分层发泡

• As the third section is related with foundation fieldbus , the characteristics , architecture and function block of it is expatiated in this section . in the third section , i discuss the disadvantages of using wire media as physical layer media in traditional fieldbus on the basis of the first two section , and present a solution of substituting wireless bluetooth ? for wire media . in this solution the bluetooth ? gateway is presented by integrating bluetooth ? and fieldbus , the data collected by bluetooth ? sensor is transported to ff hse fieldbus by bluetooth ? gateway , and the control logic of ff hse fieldbus is realized by the same bluetooth ? gateway
  在这种有线介质替代解决方案中，将蓝牙技术与现场总线技术相结合提出了蓝牙网关的概念，现场蓝牙传感器采集的现场数据通过蓝牙网关应用传输到ffhse现场总线上，同时ffhse现场总线上的控制逻辑也可以通过蓝牙网关来实现，从而实现了无线蓝牙网络与有线ffhse现场总线的互连，同时在该部分中还对蓝牙网关应用的设计和实现进行了阐述。
• Firstly , the paper introduces briefly the detecting principle of microwave radiometer and the scheme of lunar microwave radiometer . based on propagation matrix , an algorithm to get reflectivity of layered medium is brought in . by means of the method , the reflectivity expression of two - layer medium is obtained
  本文首先简要介绍了微波辐射计的探测原理及月球探测卫星微波辐射计的设计方案，还介绍了利用传播矩阵计算分层媒质的反射率的方法，并给出双层媒质的反射率表达式，分析了双层媒质的反射率随观测角、频率和第一层厚度的变化关系。
• 2 ) forward modeling method of refraction first - break in lateral varying velocity media . for layered media , a new forward modeling method of refraction is presented . for more complex near - surface conditions such as mountain areas , a new improved ray tracing method based on shortest path assumption is studied , it has higher accuracy and faster computing efficiency than conventional ones . the method can be used for the forward modeling of complex near - surface media
  而对于折射面起伏较大、低速层和折射层速度变化较大的复杂近地表情况，提出了一种改进的最短路径初至波射线追踪方法，该方法精度高，计算速度快，适用于任意二维复杂近地表介质(如山地)的初至折射波的正演计算。
• This paper first introduced the pbd technique ' s basic principles and characters , these characters show that the pbd technique has many advantages in the nde ( non destructive evaluation ) field . then it described the theory model of pbd technique - three layers medium model , and explained the physical meaning of the model ' s solution
  然后描述了光热偏转方法的理论模型- -三层介质模型，对三层介质模型的解的物理意义加以了说明，并着重论述了引起光热效应的物理量，即沿正向传播和反向传播的热波的物理意义。
• This paper presents the prestack time migration to curved rays for minor fault blocks , which is of more accurate migration , allowing the travel - time equation to be more close to the real pathway of layered media seismic wave propagation , the focused imaging to be more precise , the migrated results to be of good preserved amplitude processing property and the output trace gathers to be used for the lithologic analysis and inversion study
  采用弯曲射线叠前时间偏移技术使小断块准确偏移归位，其走时方程更接近层状介质地震波的真实传播路径，成像聚焦更精确，且通过特殊振幅处理，其偏移结果有很好的保幅性，输出的道集可以用于岩性分析和反演研究。
• The paper investigates the parameters of single piles , pile groups and pile groups with embedded caps in the layered media and compares the dynamic impedance of pile foundations obtained from the finite element method with that from other simplified methods . the results in this paper are valuable to the pile groups with embedded cap
  然后对层状介质中的单桩、群桩以及考虑承台作用的群桩进行参数研究，得到这些桩基的动力阻抗，并将有限元结果与若干简化方法得到的结果进行了比较。
• In 6 . 635 , topics covered include : special relativity , electrodynamics of moving media , waves in dispersive media , microstrip integrated circuits , quantum optics , remote sensing , radiative transfer theory , scattering by rough surfaces , effective permittivities , random media , green ' s functions for planarly layered media , integral equations in electromagnetics , method of moments , time domain method of moments , em waves in periodic structures : photonic crystals and negative refraction
  本课程所覆盖的论题包括：狭义相对论、运动媒质的电动力学、色散媒质中的波、微带集成电路、量子光学、遥感、辐射传输理论、粗糙表面上的散射、有效介电系数、随机媒质、平面层状媒质的格林函数、电磁学中的积分方程、矩量法、时域矩量法、周期结构中的电磁波：光子晶体和负折射率。
• Secondly , the paper emphasizes particularly on introducing two different approaches to brightness temperature ( for short , tb ) of layered medium . one is based on rt theory ( called rt method ) , and the other is on the basis of dgf ( called dgf method ) . according to the methods , the relational expressions between tb of two - layer medium and the thickness of its first layer ( for short , thickness ) are achieved respectively
  接着，着重介绍分层媒质亮度温度(即亮温)的两种不同解法：基于rt理论的亮温求解法( rt方法)和利用并矢格林函数的特点得到亮温的方法( dgf方法) ，并推导出不同温度分布情况下，双层媒质的亮温随第一层厚度的变化关系；结果表明：在相同温度分布情况下，两种方法所得亮温随厚度的变化趋势相同，但rt方法所得亮温与厚度间是? ?对应关系，而dgf方法则不是。
• Thirdly , the method to calculate the 3 - d dynamic responding of layered transversely isotropic saturated soils to an arbitrary buried source in cylindrical coordinate as well as to an arbitrary harmonious source in rectangular coordinate is presented respectively . based on biot ' s wave theory , the 3 - d wave equations in cylindrical coordinate for transversely isotropic saturated poroelastic media are transformed into a group of governing different equations with 1 - order by the fourier expanding with respect to azimuth and hankel integral transform method or by the double fourier transform method with respect to horizontal coordinates in rectangular coordinate . then , transfer matrixes within layered media are derived under the continuous conditions , drainage conditions and the boundary conditions
  基于饱和土的biot波动理论，通过fouricr变换，将横观各向同性饱和土三维非轴对称波动方程转化为一组一阶常微分方程组，再经har止el变换，建立问题的状态方程，求解状态方程得到传递矩阵;利用传递矩阵，结合饱和层状地基的边界条件、排水条件及层间接触和连续条件，首次给出层状横观各向同性饱和地基在任意地展力作用下的三维非轴对称动力响应的解析解。