差异性

Seropositivity rates for non-oncogenic or oncogenic HPV types did not differ between cases and controls.

病例组和对照组非致瘤和致瘤HPV性率没有异性。

Studies were made on the vegetative propagation coefficient and cormel's biological characters using eighth-excision in different development phase of Lycoris radiate.

摘要在红花石蒜不同生长发育期进行八分法切割繁殖，研究无性繁殖系数和子球生学性状异性。

Objective To study the relationship between the bacterial spectrum difference of gallbladder mucosa and choledochus bile and clinical prognosis of gallstone pancreatitis.

摘要目探讨胆囊黏膜与胆总管胆汁菌谱异性与胆源性胰腺炎临床预后关系。

Based on the experimental results, the diversities of the velours thermal conduction and ventilating in different directions and the mechanism which influence on its diversity are discussed.

通过实验分析了起透气性与传热性在不同方向上异性及影响其异性机理。