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中国成功发射北斗三号系统首颗倾斜地球同步轨道卫星******

原标题:中国成功发射北斗三号系统首颗倾斜地球同步轨道卫星

中新网四川西昌4月20日电(郭超凯)北京时间4月20日22时41分,中国在西昌卫星发射中心用长征三号乙运载火箭,发射第44颗北斗导航卫星。

郭文彬 摄

北斗卫星导航系统工程总设计师杨长风介绍称,此次发射的卫星是北斗三号系统第20颗组网卫星,属于北斗三号系统首颗倾斜地球同步轨道卫星。这种包含倾斜地球同步轨道、地球同步轨道、中圆地球轨道三种不同类型轨道卫星的混合星座设计是北斗系统独有、国际首创,将有效增加亚太地区卫星可见数,为亚太地区提供更优质服务。

这次发射是2019年度北斗导航卫星首次发射,拉开了今年北斗高密度组网的序幕。今年计划发射8-10颗北斗三号组网卫星,完成所有中圆地球轨道卫星发射,进一步完善全球系统星座布局,全面提升系统服务性能和用户体验。

自去年底北斗三号工程建成基本系统、开通全球服务以来,北斗系统运行平稳,经全球范围测试评估,在全球区域定位精度优于10米,在亚太区域定位精度优于5米,满足指标要求。

郭文彬 摄

杨长风表示,经过多年发展,北斗已形成完整产业链,在中国交通、农业、公安、测绘等行业以及大众领域已实现规模化应用。今年,将逐步加大与互联网、大数据、人工智能等新兴技术的深度创新融合,不断催生“北斗+”融合应用新模式和新业态。据统计,截至2018年底,国产北斗导航型芯片模块等基础产品销量已突破7000万片,国产高精度板卡和天线销量分别占国内市场份额的30%和90%。

郭文彬 摄

目前,北斗系统在印度尼西亚土地确权、科威特建筑施工、乌干达国土测绘、缅甸精准农业、马尔代夫海上打桩、柬埔寨无人机、泰国仓储物流、巴基斯坦机场授时以及俄罗斯电力巡检等领域得到广泛应用。北斗高精度产品出口90多个国家和地区,北斗地基增强技术和产品成体系输出海外。

月亮与火箭的合影。郭文彬 摄

用于执行第100次发射任务的长征三号乙运载火箭由中国航天科技集团一院抓总研制,此次发射的北斗三号系统首颗倾斜地球同步轨道卫星由中国航天科技集团五院抓总研制。后续,该卫星将变轨进入工作轨道,并进行一系列在轨测试,将与此前发射的18颗中圆地球轨道卫星和1颗地球同步轨道卫星进行组网,提供服务。(完)

咸阳一小区入住近10年房产证迟迟办不下来 业主想卖房卖不了******

  “这么多年,我们想卖房卖不了,想贷款贷不成,这严重影响了我们的正常生活秩序”泰禾嘉苑业主说。位于朝阳一路的泰禾嘉苑13、22、23号楼交房近10年,业主一直拿不到房产证,对此,该小区所属开发商咸阳开明房地产开发有限公司相关工作人员称,房产证办不下来是十几年前的老问题了。

  业主:入住近10年,房产证始终未能正常办理

  近日,泰禾嘉苑业主向华商报-二三里资讯反映称,泰禾嘉苑小区内共有3栋高层,分别是13、22、23号楼,其中,13号楼2000年入住,22、23号楼2012年入住,共600余户人家入住至今拿不到房产证。“我是13号楼的业主,2011年买的房,1月份装修,11月份入住的,到现在整整快10年了,房产证一直办不下来”一业主说。

  “这么多年,我们这600多户人,娃想上学上不成,房想卖房卖不成,想贷款发展经济也发展不了,想继承给家里人也继承不了,就是因为没房产证过不了户,啥事都办不了,先后6年间,我们一直给相关部门反映问题,至今未能解决问题”一业主说。

  开发商:房产证是十几年前的老问题了

  10月11日,记者联系到咸阳开明房地产开发有限公司相关工作人员,其回应称,房产证办不下来是十几年前的老问题,现要去信访局继续处理此事,让记者之后联系他,他再详细回应此事。之后记者再次联系开发商,其开发商以负责人不在回应此事。

190FEA59-B34B-4AE7-BD1E-990587EC1E1C.jpeg

  据业主提供的一份由咸阳开明房地产开发有限公司于2021年5月10日提交给咸阳市住房和城乡建设局的文件——《关于朝阳一路泰禾嘉苑小区13#、22#、23#住宅楼长期未给住户办理房产证的情况汇报》,文件中显示,截止5月10日,三栋楼的房屋产权证手续还没有给住户办理,主要原因是当时开发该小区时本区域还没有城市供暖系统,咸阳市热力公司无法配套,之后该开发商一直协调各部门,直至2019年3月份才向自然资源局建审科提供相关申报资料。但由于时间较长,机构调整、人员变动及各项规章制度不断变化,经市自然资源局建审科按现行的规定及相关条款审核提出:13#、22#、23#实测面积超出规划面积并函告执法局,将历史遗留问题按照现行规定进行处理,该公司难以接受,也无力承担。其原因如下:

  一、2007-2009 年间,在申报13#、22#楼规划许可证时,当时都是以楼轴线的外墙尺寸计算建筑面积的,我们在实施项目开发时也是按照规划部门批准的设计图纸,轴线尺寸进行施工的,也是按照规划部门批准的长、宽、高、层数实施的,至于面积超还是不超都是因为建筑工程面积计算规定与房屋注册登记面积测量规范不同造成的。不是我公司改变规划造成的。而且规划许可证上建筑面积与实测实量面积有误差是正常存在的。

  二、23#楼规划地上十层复式,地下一层,2009 年我公司根据市场需求将 10 层复式变为地上 18层平层,仅使客厅面积有所增加,其他不变。整栋楼轴线长度、宽度、高度,外形尺寸没变,当时我们没有及时申请补办规划变更手续,责任在我公司,我公司承诺愿意补交由此造成面积增加的规费。

  华商报记者 杨宁 编辑 牛佩瑶 陶亚星



来源:二三里资讯

编辑:二三里

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Biden warns Putin Ukraine attack would bring 'severe costs'******

Efforts to defuse the crisis in Ukraine via a frenzy of telephone diplomacy failed to ease tensions Saturday, with US President Joe Biden warning that Russia faces "swift and severe costs" if its troops carry out an invasion.

Russian leader Vladimir Putin slammed Western claims that Moscow was planning such a move as "provocative speculation" that could lead to conflict in the ex-Soviet country, according to a Russian readout of a call with French President Emmanuel Macron.

Speaking after new phone talks between Putin and Biden, the Kremlin's top foreign policy adviser Yury Ushakov told a conference call: "Hysteria has reached its peak."

Weeks of tensions that have seen Russia nearly surround its western neighbour with more than 100,000 troops intensified after Washington warned that an all-out invasion could begin "any day" and Russia launched its biggest naval drills in years across the Black Sea.

"If Russia undertakes a further invasion of Ukraine, the United States together with our allies and partners will respond decisively and impose swift and severe costs on Russia," Biden told Putin, according to the White House.

While the United States was prepared to engage in diplomacy, "we are equally prepared for other scenarios", Biden said, as the two nations stare down one of the gravest crises in East-West relations since the Cold War.

While the Biden-Putin talks were "professional and substantive", lasting just over an hour, they produced "no fundamental change" in dynamics, a senior US official told reporters.

Russia's defence ministry added to the febrile atmosphere by announcing that it had chased off a US submarine it said had crossed into its territorial waters near the Kuril Islands in the northern Pacific.

The ministry said it had summoned the US defence attache in Moscow over the incident.

But the US Indo-Pacific Command denied the account. "There is no truth to the Russian claims of our operations in their territorial waters," spokesman Captain Kyle Raines said in a statement.

Putin began his afternoon holding talks with Macron that the French presidency said lasted one hour and 40 minutes.

Macron's office said "both expressed a desire to continue dialogue" but, like Washington, reported no clear progress.

'Possible provocations'

Russia added to the ominous tone by pulling some of its diplomatic staff out of Ukraine Saturday.

The foreign ministry in Moscow said its decision was prompted by fears of "possible provocations from the Kyiv regime".

But Washington and a host of European countries along with Israel cited the growing threat of a Russian invasion as they called on their citizens to leave Ukraine as soon possible.

Britain and the United States also pulled out most of their remaining military advisers while the US embassy ordered "most" of its Kyiv staff to leave.

Australia said it had directed all remaining embassy staff in Kyiv to evacuate, and Canada said it was closing its embassy temporarily and moving operations to the western city of Lviv.

Dutch carrier KLM announced that it was suspending commercial flights to Ukraine until further notice.

The prospect of fleeing Westerners prompted Kyiv to issue an appeal to its citizens to "remain calm".

"Right now, the people's biggest enemy is panic," Ukrainian President Volodymyr Zelensky said on a visit to troops stationed near the Russian-annexed peninsula of Crimea.

Several thousand Ukrainians braved the winter cold to march through Kyiv in a show of unity amid the growing fears of war.

"Panic is useless," said student Maria Shcherbenko as the crowd waved Ukraine's blue-and-yellow flags and sang the national anthem. "We must unite and fight for independence."

'Any day now'

Washington on Friday issued its most dire warning yet that Russia had assembled enough forces to launch a serious assault.

"Our view that military action could occur any day now, and could occur before the end of the Olympics, is only growing in terms of its robustness," US National Security Adviser Jake Sullivan warned.

Sullivan stopped short on Friday of saying that the United States has concluded that Putin has made the decision to attack.

But some US and German media cited intelligence sources and officials as saying that a war could begin at some point after Putin concludes talks with German Chancellor Olaf Scholz in Moscow on Tuesday.

The German leader is due to travel to Kyiv on Monday and then visit Putin as Europe strives to keep lines of communication open with Moscow.

Ukrainian leaders have been trying to talk down the prospects of an all-out war because of the damaging effect such fears are having on the country's teetering economy and public morale.

But the mood across the country remained tense.

The mayor's office in Kyiv said it had prepared an emergency evacuation plan for the capital's three million residents as a precaution.

Russia is seeking binding security guarantees from the West that include a pledge to roll NATO forces out of eastern Europe and to never expand into Ukraine.

Washington has flatly rejected the demands, but offered talks on a new European disarmament agreement with Moscow.

Sullivan said NATO was now "more cohesive, more purposeful, more dynamic than any time in recent memory".

Germany's Scholz has added his voice to European pledges to punish Russia with severe economic sanctions targeting its financial and energy sector if it attacks.

三星Galaxy Tab A8 2021渲染图曝光******

据外媒91mobiles报道,三星预计很快会发布Galaxy Tab A8 2021新平板电脑,还曝光了渲染图,这将会是Galaxy Tab A7的升级版。

从曝光的图片看,三星Galaxy Tab A8 2021采用直边框设计,后置为单摄。

外媒91mobiles提到,三星Galaxy Tab A8 2021将搭载10.4英寸屏幕,预计支持FHD+分辨率。平板后置为800万像素镜头,配备3.5mm耳机接口,采用USB Type-C接口。平板尺寸为246.7 x 161.8 x 6.9mm (包括后置镜头凸起:8.7mm),配备四扬声器,支持Dolby Atmos。


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