恶组病理学的基本特点包括()
A.浸润病变程度不一
B.不累及非造血组织
C.易形成包块
D.病理化主要在肝脏、脾脏、淋巴结和骨髓
E.浸润病变分布不一
参考答案:A, D, E
In the process of communication requirement analysis, the project manager should consider the number of potential communication channels or paths as an indicator of the complexity of a project’s communication. According to Metcalfe’s Law, a project with 10 stakeholders has () potential communication channels.
A、10
B、45
C、50
D、100
测定水中氰化物的异烟酸-巴比妥酸分光光度法,仅适用于饮用水、地表水,不适用于生活污水和工业废水中氰化物的测定。