JUS N N6 013-1984 Radiocommunications Ground-wave propagation curves for freguencies between 10 kHz and 30 MHz《无线电通讯 频率为10kHz至30kHz之间的地波传播曲线》.pdf

相关资源

ARMY MIL-HDBK-413-1986 DESIGN HANDBOOK FOR HIGH FREQUENCY RADIO COMMUNICATIONS SYSTEMS《高频无线电通讯系统设计手册》.pdf

ARMY MIL-HDBK-413 VALID NOTICE 1-2000 DESIGN HANDBOOK FOR HIGH FREQUENCY RADIO COMMUNICATIONS SYSTEMS《高频无线电通讯系统设计手册》.pdf

GOST 24375-1980 Radio communication Terms and definitions《无线电通讯 术语和定义》.pdf

ITU-R INFORME F 2061 SPANISH-2006 HF fixed radiocommunications systems《高频固定无线电通讯系统》.pdf

ITU-R QUESTION 2477-2009 Emergency radiocommunications for human space flight《人类太空飞行急救无线电通讯》.pdf

ITU-R RESOLUTION 53 FRENCH-2007 The use of radiocommunications in disaster response and relief《无线电通讯在救灾和减灾时的运用》.pdf

ITU-R S 673-2 FRENCH-2002 Terms and definitions relating to space radiocommunications《空间无线电通讯的术语和定义》.pdf

ITU-R S 673-2 SPANISH-2002 Terms and definitions relating to space radiocommunications《空间无线电通讯的术语和定义》.pdf

JUS N N0 203-1990 Radiocomminications Radio transmitters Safetj requxrements for radio trans- mitters《无线电通讯 无线发射器 安全要求》.pdf

JUS N N6 012-1979 Radiocommunicatiom Nomenclature of the frequency and wavelength bands used in radiocommunication《无线电通讯 无线电通讯中用到的频率和波段术语》.pdf

猜你喜欢

ASTM D7967-2016 0099 Standard Test Method for Analysis of Chrome Content (as Cr2O3) in Wet Blue using Atomic Absorption《用原子吸收法分析湿蓝皮中铬含量(Cr2O3)的标准试验方法》.pdf

ASTM D7968-2014 5366 Standard Test Method for Determination of Perfluorinated Compounds in Soil by Liquid Chromatography Tandem Mass Spectrometry (LC MS MS)《采用液相色谱串联质谱 (LC MS MS) 测.pdf

ASTM D7968-2017 red 0747 Standard Test Method for Determination of Polyfluorinated Compounds in Soil by Liquid Chromatography Tandem Mass Spectrometry (LC MS MS)《采用液相色谱串联质谱法(LC MS .pdf

ASTM D7968-2017a 8750 Standard Test Method for Determination of Polyfluorinated Compounds in Soil by Liquid Chromatography Tandem Mass Spectrometry (LC MS MS)《采用液相色谱串联质谱法(LC MS MS).pdf

ASTM D7969-2015 6559 Standard Specification for Gravity Convection and Forced Ventilation Ovens《重力对流和强制通风炉的标准规格》.pdf

ASTM D7969-2016 red 4604 Standard Specification for Gravity Convection and Forced Ventilation Ovens《重力对流式和强制通风式烘炉的标准规格》.pdf

ASTM D7971-2015 9136 Standard Guide for Measuring Roundness of Glass Spheres Using a Flowing Stream Digital Image Analyzer《用流动式数字图像分析仪测量玻璃微球圆度的标准试验方法》.pdf

ASTM D7972-2014 8007 Standard Test Method for Flexural Strength of Manufactured Carbon and Graphite Articles Using Three-Point Loading at Room Temperature《在室温条件下采用三点负荷法的炭及石墨加工制品挠曲强.pdf

ASTM D7973-2014 0571 Standard Guide for Monitoring Failure Mode Progression in Plain Bearings《监测滑动轴承失效模式进展的标准指南》.pdf