半年一度的 meaning in English

half yearly
half-yearly

The company holds two semiannual conferences a year , one in june and the other in december
这家公司每年有两次半年一度的会议，分别在六月与十二月。
Standing in front of colleagues and reporters at the american astronomical society ' s semiannual meeting in san diego the world ' s premier planet - hunting team astronomer geoffrey marcy of the university of california berkeley and his colleagues presented not one but two remarkable finds
上周的发现就属于此类。在圣迭戈举行的美国天文学会半年一度的会议上，来自加州大学伯克利分校的世界顶级行星搜寻小组天文学家杰弗里。