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- NATO Frequency Band 北约频率波段
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- The assigned frequency band is 928 MHz to 902 MHz. 那分配频率乐团是 902个百万赫兹至 928个百万赫兹。
- We can't hear any program when we turn our radio onto this frequency band. 当收音机调到这个频段上时,什么节目也收听不到。
- Another attribute is the flux or radiant power that can be delivered in that narrow frequency band. 另一个性质就是在这样窄的频带内可以给出很高的光通量或辐射功率。
- A specified frequency band for the transmission and reception of electromagnetic signals,as for television signals. 频道,波道传送和接收电磁信号的一特定的频率波段,如电视信号
- The design is very suitable for wireless communication systems which work in ISM frequency band. 所设计的软硬件接口非常适合在ism频段的无线通信系统中应用。
- The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band. 声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。
- Methods A chromosome preparation technique was adopted, using PBS method and EDTA method to show G banding. 方法 采用染色体制备技术 ,分别用胰蛋白酶磷酸(PBS)法和乙二胺四乙酸胰蛋白酶 (EDTA)法显示G显带。
- Analyse of Frequency Band in Acceleration Measurments during Ejection and Parachuting. 弹射和开伞过载测量中的频率分析。
- The method can directly detect the fault characteristic signals in low frequency band and achievefault diagnosis. 该方法直接检测故障的低频特征信号,完成故障诊断。
- Methods: Chromosomal karyotypes were examined in 509 male infertile patients by periphery blood lymphocyte culture and G banding. 方法509例男性不育患者行外周血淋巴细胞G显带染色体核型分析。
- The signal environment of ECM is more and more complex, so frequency measurement methods must be high-speed and precise in broad frequency band. 面对日益复杂的电子战环境,要求必须在很宽的带宽范围内,对频率信息进行快速、高精度的测量。
- Methods:430 cases with infaust gravidity an d /or labor were analyzed using blood lymphocyte chromosome G banding technique. 方法:对430例不良孕产史夫妇进行外周血淋巴细胞染色体G显带分析。
- Methods: The men chromosomes of 630 cases were used technics by culture of peripheral blood lymphocyties and karyotype of G banding chromosome. 方法对630例男性染色体采用外周血淋巴细胞培养和G显带染色体核型分析。
- A relatively restricted frequency band, normally used for a single purpose, or made available to a single user. 比较狭窄的频带,通常用于一种目的或一个用户。
- Methods: G banding techniques were used regularly and sometimes by C banding by culturing lym-phocytes of peripheral blood if necessary. 方法:对疑有染色体异常的2800例患者进行外周血淋巴细胞培养,常规G显带,必要时C显带。
- A specified frequency band for the transmission and reception of electromagnetic signals, as for television signals. 频道,波道传送和接收电磁信号的一特定的频率波段,如电视信号
- Methods:Against 154 patients,the chromosome preparations can be abtained by the conventional culture,then G banding karyotype analysis is carried out. 方法对154名患者的外周血淋巴细胞进行常规培养,然后作G带核型分析。
- For band-pass,the highest code element rate is 2W Baud,and the gettable highest rate of frequency band is 2 Baud/Hz. 对于带通系统而言,最高码元速率为2W Baud,此时可获得的最高频带利用率为2Baud/Hz。