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- standard reference frequency 标准参考频率
- Shanghai JiLiang Standard Reference Gas Co., Ltd. 上海基量标准气体有限公司。
- What is the reference frequency or range of reference frequency? 参考时钟频率多少?
- The colors of the standard reference is SWOP high and low color reference. 这些色彩的尺量参考是SWOP瘪凸色彩参考。
- In other words, the comparator merely compares the dimension of the worn part with the standard reference part. 换句话说,比较仪不过是将磨损部分的尺寸与标准的基准部分进行比较而已。
- The status on standard reference material system of grain and oilseeds in China is reviewed in this paper. 综述了国内外粮油标准物质体系的发展状况,并进行了分析比较,提出了今后中国粮油标准物质的发展对策。
- Putonghua test is a kind of standard referential test. 普通话水平测试属于标准参照性考试。
- Methods The total alkaloids were tested at 420 nm with acid dye colorimetry in which atropine sulfate was used as standard reference. 方法以硫酸阿托品为对照品,利用酸性染料比色法,在420 nm处测定槲寄生总生物碱含量。
- Amino acid analysis was performed using ion exchange chromatography and was in the range of the standard reference for FAO/WHO. 氨基酸分析表明该产品符合FAO/WHO的参照标准。
- Opto-electronic oscillator(OEO) is a hybrid optical electrical device featured with a loop structure and high speed performance. As a kind of oscillator,the oscillation of OEO can be injection locked by an external reference frequency. 本文所研究的光电振荡器(OEO)是一种高速光电混合环路;其振荡频率可以被锁定于外界信号的数据率.
- Green Bridge Hotel, located in the city of Jinghong Xuanwei Road 144, two stars, between the standard reference price: 160 yuan / Inter. 绿桥酒店,位于景洪市宣慰大道144号,二星级,标间参考价:160元/间。
- British musicologist whose Dictionary of Music and Musicians (first published 1878-1889) has become a standard reference work. 格罗夫,乔治:(1820-1900)英国音乐研究家,其著作音乐和音乐家辞典(1878-1889年间首次出版)已成为标准参考书
- The complex weighting vectors at other frequencies satisfying the request of wideband constant beamwidth can be deduced from the one at the reference frequency. 其它频率点上满足宽带恒定束宽要求的复权向量可以根据参考频率上的复数权值通过折算求得。
- The paper describes the necessity of developing the standard reference material chromeplating solution and introduces its developing process. 论述了研制镀铬溶液标准物质的必要性,介绍了镀铬溶液标准物质的研制过程。
- Methods:Serotypes of Y. pseudotuberculosis were identified by comparing the difference of O-antigen gene clusters of experimental strains with that of standard reference strains. 方法:通过比较假结核耶尔森菌与已知血清型假结核耶尔森菌标准参考株O-抗原基因簇的差异,确定实验株的血清型。
- SRFM Signal Reference Frequency Multiplex 信号参考频率复用
- Stream standards refer to quality of receiving water downstream from the origin of sewage discharge. 水体标准是指污水排放点下游的受纳水体的水质。
- Target Doppler Reference Frequency 目标多普勒基准频率
- As the referenced frequency is fixed, the output frequency, the phase quantization noise and the resolution of frequency and phase are due to frequency word, the value of ROM and the bits of D/A converter, the bits of accumulator and ROM respectively. 时钟频率给定后,输出信号的频率取决于频率控制字,频率分辨率取决于累加器位数,相位分辨率取决于ROM的地址线位数,幅度量化噪声取决于ROM的数据位字长和D/A转换器位数。
- combined reference frequency system 组合参考频率系统