Tooth-mesh h frequency 齿啮合频率
speech h frequency amplifier 语频放大器
sawtooth h frequency modulator 锯齿波调频器
ultra-high h frequency correlator 超高频相关器
Objective Survey the frequency of H deficient phenotype in blood donor population and analyze the serological and genetic characteristics of these individuals.
目的调查献血者人群中H抗原缺失血型的表型频率，研究其血清学和遗传学特征。
The radio frequency coil system (34) includes N coil elements (38) which generate magnetic (H) and electric (E) fields.
所述射频线圈系统（34）包括生成磁场（H）和电场（E）的N个 线圈元件（38）。
Plasma chemical vapor deposition in silane radio frequency glow discharge is a main fabrication technology of hydrogenated amorphous silicon (a-Si: h) films.
射频辉光放电硅烷等离子体化学汽相沉积是制备氢化非晶硅薄膜的主要工艺技术。
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