妖兽都市

力箭系列火箭迎来两个“首次”_我的网站

A |     (ECNS) -- Honghe National Nature Reserve in northeast China’s Heilongjiang Province has bred 138 healthy Oriental white stork chicks this year, as China and Russia strengthen cross-border protection for the endangered migratory bird, the reserve said Thursday.    The reserve recorded 106 breeding pairs this year. The Oriental white stork is under first-class national protection in China and is classified as endangered on the International Union for Conservation of Nature (IUCN)Red List of Threatened Species.    The reserve said global warming and localized spring drought reduced nesting and hatching rates in some areas compared with previous years.    Representatives from 13 national nature reserves across five Chinese provinces and three regions in Russia’s Far East recently signed a cooperation agreement covering breeding grounds, migratory stopover sites and wintering areas. Honghe has built 443 artificial nests and bred 2,997 chicks over the past 33 years.    (By Intern Yang Hongran, Zhang Dongfang)                    。    力箭系列运载火箭近日迎来两个“首次”：力箭一号完成海上发射箭地联合演练，首次海上发射进入倒计时；力箭二号遥二运载火箭顺利出厂，将首次执行低轨星座规模化组网发射任务。         　　力箭一号是中科宇航研制，用于微小卫星、中低轨道快速组网发射的中型固体运载火箭。8月25日，它完成了海上发射联合演练，全程模拟发射当日流程，开展发射架起竖等十余项试验，后续它将在广东附近海域执行“一箭3星”任务，这是它的首次海上发射。

B |          　　此外，力箭系列另一款火箭——力箭二号也迎来新进展。力箭二号是该系列的液体运载火箭，相比于力箭一号，它的运载能力更强，可以实现低轨星座规模化组网，计划今年10月执行一箭18星发射任务。

C |          　　中科宇航力箭二号运载火箭副总设计师 李秦峰：目前力箭二号遥二运载火箭已完成全部的出厂评审工作，各项性能指标完全满足飞行要求。本次火箭总装测试周期相比首飞实现缩短，标志着力箭二号向标准化、批量化研制发射的方向稳步迈进。                        　　(央视新闻客户端 总台央视记者 崔霞) 【编辑:黄嘉雯】。

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Published on:19:02:42