exopterygota是什么意思

用法例句

Role of contrast-enhanced ultrasound in the diagnosis of incomplete abortion;

声学造影在不全流产诊断中的应用

Objective: To assess the role of the second-generation contrast agent SonoVuecombined with real-time gray-scale contrast tuned imaging(CnTI) technology in diagnosing incomplete medical abortion, and the value of quantitative analysis in it.

目的:探讨新型超声造影剂声诺维(SonoVue)及实时造影匹配成像技术(CnTI技术)定性及定量分析在药物流产不全诊断中的应用价值。

On the basal plane, dislocations and dislocation networks dissociate into partial dislo-cations and partial dislocation networks.

给出了具有层状结构的硫化钼(MoS_2)中位错的透射电镜(TEM)观察结果在基面上,位错和位错网络常分解成不全位错和不全位错网络利用衍衬效应分析了这些位错的Burgers矢量、材料的层错能可由扩展结估算