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- source strength measurement 源强度测定
- The results of electric field strength measurement and the fields distribution around medium and short wave AM radio antennas are reported. 本文报告某地中短波调幅广播发射天线周围电场强度测量结果及其分布。
- Dimensional stability of sub-micron Al2O3 /2024Al composites was studied by means of micro-yield strength measurement and TEM analysis. 本文利用微屈服强度测试和透射电镜分析,研究了亚微米级Al_2O_3颗粒增强2024Al复合材料的尺寸稳定性。
- The main cause of error of strain measurement using electronic extensometer and its effects on the strength measurement in tensile tests of metallic materials was analyzed. 分析了电子引伸计应变测量误差形成的主要原因,以及对金属材料拉伸试验强度测试的影响,介绍了引伸计使用中的一些经验和注意事项。
- M20 amplitudes in left and right hemisphere in males are 23.6+ 11.2nAm , 25.4+ 11.2nAm in males and 25.8 + 10.5nAm , 27.6+7.8nAm in females. M20 source strength was not different in the isolateral hemisphere between males and females(P>0.05). M20左、右半球波幅男性23.;6±11
- The influences of composite admixture on the cement properties, the hydrates and mechanism ofhydration were studied by means of mortar strength measurement, DTA, XRD, Pore structure andSEM analysis. 通过砂浆强度测试,差热分析,X射线衍射分析,孔结构测试及电子显微镜分析,探讨了复合外加剂对钢渣水泥性能的影响,研究了其水化产物和水化机理。
- waterline source strength elimination method 水线源强消弃法
- The news comes from a reliable source. 这消息来自可靠的来源。
- It can be used for satellite broadcast received field strength measurements and in the evaluation and testing of CATV equipment. 它可用于卫星广播收到的电场强度测量,并在评估与测试的有线电视设备。
- electric field strength measurement 电场强度测量
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- A New Metal Material Impact Strength Measurement Digital Instrument 一种新型的金属材料冲击韧性数字测量仪
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- The groundwork or source of something. 基础,根源某事物的基础工作或根源
- Where is the source of the Rhine? 莱茵河发源于何处?
- He's been a source of discord and worry. 他成为不和和烦恼的根源。
- A source of harassment, annoyance, or pain. 使人痛苦的东西骚扰,烦恼或痛苦的来源
- Is the water polluted at source or further downstream? 河水是在源头还是在流出之後受到污染的?