d8怎么读

Deterministic infinite algorithm is a eclectic algorithm between D8 and multiple flow directions.

无限流向法是对D8方法以及多流向算法的折中。

The wear resistance of D8 、 D9 were compared with 45 steel's. The wear mechanism was analyzed by observing the wear morphology with SEM.

分析比较了45钢与D8、D9两种耐磨堆焊材料的磨损性能，并利用SEM对这几种材料在混凝土工况条件下的磨损表面形貌进行了现察，分析了它们的磨损机理。

⑶ C D8+ CD28-T cells in liver tissue may be the main reason for persistent infection of hepatitis B.

⑶肝组织内CD8+CD28-T细胞可能是乙肝持续感染的主要原因。