The invention discloses a light steel stud, which takes the structure of a channel beam or an I beam, and a preformed opening (22) is arranged on the light steel stud (12).
本发明公开了一种轻钢龙骨,成槽钢或工字钢结构,轻钢龙骨(12)上开设有预留口(22)。
Al Jazeera claims to beam its main Arabic-language channel into around half of all Arab homes.
半岛电视台声称,他们向约半数阿拉伯家庭播送其主要的阿拉伯语频道节目。
They then defined the transistor channel using electron-beam lithography, removing graphene outside of channel regions with an oxygen plasma.
然后在氧等离子体中用电子束刻蚀法去除沟道区石墨烯形成晶体管的沟道。
Dover sole caught by the destructive method of beam trawling in the western English Channel, the Irish Sea and south-west and west Ireland has been listed as a fish to avoid.
在因吉利海峡西部,多佛比目鱼正在被一种光波拖网的毁灭式捕鱼方法捕捉。爱尔兰海以及爱尔兰西南部和西部曾被列为鱼的避难所。
The energy is enveloped in a plasma containment sphere shaped by emitter cowls that channel the sonic beam.
引导声波束的发射罩形成等离子体禁闭球,将能量包裹在球体中。
As the labeled DNA flows through the channel, it passes over a very narrowly focused beam of light.
当标记的DNA从这个通道流过,它经过一个非常窄的会聚光束。
The pilot symbols were used to estimate channel and act as reference signal of beam-former.
利用导频符号进行信道估计,并作为空间波束成型器的参考信号。
The size and position of the cross section of support beam, the opening direction of beam channel.
表面处理形式、状态;支撑梁的截面尺寸和位置,槽钢的开口方向。
The pilot symbols were used to estimate channel and acted as reference signal of beam-former.
利用导频符号进行权向量更新算法,并作为空间波束成型器的参考信号。
We analyze the pattern function of DBF in subarray under the ideal condition and with channel mismatch, and give the pattern functions of sum and difference beam.
本文分析了子阵dBF在理想通道条件及通道失配情况下的方向性函数,给出了其和差波束方向性函数特性。
The transport efficiency and the maximum beam current of beam channel can be increased.
可提高低能离子束的传输效率和束通道的最大传输束流。
The receiving channel calibration is an important link to ensure the performance of receiver beam forming.
接收通道校正是保证接收波束形成性能的重要环节。
Considering the disturbance of the plasma electrons at the beam-ion channel boundary, the eigen-equation of TM mode has been derived.
考虑束-离子通道边界上等离子体电子可能发生的扰动,导出了TM模本征方程的理论式。
Using assembled unit of prism and lens, the laser beam from firing channel is focalized and imaged.
采用棱镜透镜组合装置把出射激光束经发射通道聚焦成像,根据光斑半径测量束散角。
The system module has functions of real-time and wideband multi-beam forming and channel adjusting.
该系统模块具有实时宽带多波束形成以及通道校正功能。
Structural steel products include I-beam fabrication, custom heavy wall tube, pipe, Angle iron, channel, etc. All to meet construction industry specifications.
结构钢产品项目包括I形梁制造和定制厚壁钢管、管材、角钢、通道等。制造的所有产品均符合建筑行业规范。
Models describing laser beam propagate through horizontal and slant atmospheric stochastic channel are built.
建立了激光通过倾斜和水平的大气随机信道的数学传输模型。
The phase difference between the signals from beam forming net can affect the modulation index of single channel signal and can lower the precision of tracking.
和差网络输出的和差信号相位差会影响单通道信号的调制度,进而降低跟踪精度。
A dynamic channel reserve strategy for LEO communication system with spot-beam is proposed.
针对具有点波束的低轨卫星移动通信系统,提出了一种信道动态预留策略。
So the main work in this dissertation is compiling and debugging the program for solving the field distribution in channel waveguides using three-dimensional finite-difference beam propagation method.
为此,本文重点完成了利用三维有限差分束传播法求解条形波导中场分布的计算程序的编写和调试。
On the proposed algorithm of the channel impulse response matrix, the analysis algorithms on the capacity limits of the antenna-channel MIMO system and the beam-channel MIMO system are presented.
基于提出的信道冲激响应矩阵算法,给出了天线信道mIM O系统和波束信道M IM O系统容量极限的分析算法。
A novel optical communication scheme of 2D pattern transfer model based on multi-beam array in complex channel is proposed.
提出了一种利用多光束阵列在复杂散射信道中进行二维图案传输的理论模型。
Bending all kinds of steel pipe, channel steel, flat steel, Angle, I-beam, such as steel rails.
弯制各类钢管,槽钢,扁钢,角钢,工字钢,钢轨等型钢。
Four interchangeable outer collimator helmets with beam channel diameters of 4, 8, 14, and 18 mm are available for irradiating different size volumes.
有四种可互换的平行盔状平行光管粒子管道可形成不同尺寸的治疗区域,它们的直径分别为4,8,14,18毫米。
Shots can be represented as different spheres. Four interchangeable outer collimator helmets with beam channel diameters of 4, 8, 14, and 18 mm are available for irradiating different size volumes.
射击的特征是形成不同的球体,四个外部互换照射仪头盔配有直径为4,8,14,18毫米的射线孔,以照射不同体积的病灶。
The invention discloses a multi-channel optical-fiber laser coherence beam combination device and a coherence beam combination method based on overlapped body grating.
本发明公开了一种基于重叠体光栅的多路光纤激光相干组束装置及相 干组束方法。
The invention discloses a multi-channel optical-fiber laser coherence beam combination device and a coherence beam combination method based on overlapped body grating.
本发明公开了一种基于重叠体光栅的多路光纤激光相干组束装置及相 干组束方法。
应用推荐