沉积物分选越差或压实越紧，其孔隙度和渗透率就越低。
The more poorly sorted or the more tightly compacted a sediment is, the lower its porosity and permeability.
在舰船尾流区与非尾流区之间存在显著的速度差和盐度（或密度）差，利用电导率探头可获得对应于这些差别的尾流电导率信号。
Velocity and salinity(or density) differences between the wake area and non-wake area of a surface ship may be measured with an electric conductivity probe.
级别较重的弥漫性轴索损伤预后差，有较高的发病率及死亡率，常导致死亡或持续性植物状态。
The prognosis of diffuse axonal injury is generally poor for higher grades, with high morbidity and mortality, often with death or persistent vegetative states.
ETP - ALL患者对标准加强化疗反应差，预后不佳，缓解失败或血液学复发的累积发生率以etp - ALL亚组显著为高。
Patients of ETP-ALL showed a poor prognosis with use of standard intensive chemotherapy, and the cumulative incidence of remission failure or hematologic relapse was significantly higher.
ETP - ALL患者对标准加强化疗反应差，预后不佳，缓解失败或血液学复发的累积发生率以etp - ALL亚组显著为高。
Patients of ETP-ALL showed a poor prognosis with use of standard intensive chemotherapy, and the cumulative incidence of remission failure or hematologic relapse was significantly higher.
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