It shows that the ionospheric variation at HaiKou has an obvious reginal characteristics.
结果表明：海口地区电离层变化具有明显的地域特点。
It is with mixed feelings that I submit my resignation as reginal sales manager for our company.
我作为公司的地区销售经理，此刻向公司提出辞职，心情十分复杂。
Objective To explore the clinical characteristics, diagnosis and treatment of pancreatic reginal (portal) hypertension (PSPH).
目的探讨胰源性区域性门静脉高压症的临床特征及有关诊治问题。
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