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- 平均R-R間期average R-R interval
- 動(dòng)態(tài)心電圖長(cháng)R-R間期對中老年患者病竇綜合征診斷價(jià)值的探討Evaluation of long R-R pause in dynamic electrocardiography in the diagnosis of sick sinus syndrome of middle aged and older patients
- 她說(shuō)話(huà)帶著(zhù)鄉下人的輕柔的r音。She speaks with a soft rural burr.
- R-SBFR-SBF
- R&D資金research and development fund
- R&D合作R&D cooperation
- 孕婦心電圖中短P-R間期現象的臨床意義THE CLINICAL SIGNIFICANCE OF SHORT P-R INTERVAL PHENOMENON OF ELECTROCARDIOGRAM IN PREGNANT WOMAN
- 空間E-R模型Spatial E-R model
- 厚向異性系數rcoefficient of normal anisotropy r
- （R）-2-三甲基硅-2-羥基丙腈( R )-2-trimethylsilyl-2-hydroxyl-ethyleyanide
- 間期interphase
- 印度粉、巴西粉(M.B.R)燒結性能的燒結杯試驗研究STUDY ON SINTERING CHARACTERISTICS OF INDIAN ORE FINES AND BRAZIL ORE FINE(M.B.R)
- 構建宿主菌基因精確定位突變株31BK(aroD::aroBKan~r)The mutant 31BK was engineered, in which homologous recombination of the aroBKanr gene cassette into the aroD locus(aroD::aroBKanr)of the E.
- 動(dòng)態(tài)心電圖對心房顫動(dòng)合并長(cháng)R-R間期的臨床分析Clinical analysis of the dynamic electrocardiography recording atrial fibrillation with long R-R interval
- I期病例的KAll/CD82表達水平與n+nI+W期病例的表達水平比較，其結果有顯著(zhù)性意義，P<0.05，r>0。The expression of KAI 1/CD82 in NO stage compared with the one in Nl and N2 stage .
- 平均捕獲間期average capture interval
- F-R間期F-R interval
- 平均峰間間期mean interspike interval; MISI
- P-R間期an ECG interval; an electrocardiogram interval; P-R interval; PR; PR int
- 被動(dòng)間期passive interval
