The formula of waveform distortion is obtained by the approximate result expression of nonlinear equation about ultra low frequency standard vibrator with this kind of emulsion pipe spring.
同时求解了采用该乳胶管弹簧下的超低频标准振动台的运动方程近似解，得到了波形失真度计算式。
Result Expression of CD44 in renal biopsy of controls was negative in the glomeruli and weakly positive in renal interstitium .
结果在正常肾组织中，CD44在肾小球、肾小管无表达，肾间质可见CD44呈弱阳性表达。
Result Expression of CD44 in renal biopsy of controls was negative in the glomeruli and weakly positive in renal interstitium .
结果在正常肾组织中，CD44在肾小球、肾小管无表达，肾间质可见CD44呈弱阳性表达。
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