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福州/哪家医院能做无痛人流

2017年11月24日 04:30:12 | 作者:妙手常识 | 来源:新华社
Amazon will begin testing aerial drones in UK suburbs and rural areas through a partnership with the UK government, the first time the ecommerce company has won permission to operate its vehicles under such flexible conditions.亚马逊(Amazon)将通过与英国政府合作,开始在英国郊区和农村地区测试无人机送货,这是这家电商企业首次获得批准,可以在如此灵活的条件下操作无人机。Amazon’s drone programme, known as Prime Air, has been working since 2013 on developing aerial vehicles that can deliver packages directly to customers’ houses. However, the programme has encountered red tape and shifting airspace rules, particularly in the US, and has not launched commercially in any country.亚马逊的无人机计划名为“Prime Air”,在2013年启动,致力于开发能够直接将包裹快递到客户家中的空中交通工具。然而,该计划遭遇了繁琐的手续以及空域规定的不断变化,尤其是在美国,迄今还没有在任何国家投入商业化运营。The tests in the UK mark a breakthrough for Amazon as it is allowed to fly drones outside pilots’ line of sight, a key step in testing the vehicles’ sensors. Amazon pilots will also be able to fly multiple drones at one time.英国的测试标志着亚马逊的一项突破,亚马逊无人机被允许在操作员视线范围以外飞行,这是测试无人机传感器的关键步骤。亚马逊的无人机操作员还可以同时操作多架无人机。The UK’s Civil Aviation Authority said it would be involved in the work, and that the tests would help it to craft its future policies.英国民航局(Civil Aviation Authority)表示,将参与测试,而这些测试将有助于其制定未来政策。The UK’s current rules forbid drones to be flown outside a pilot’s line of sight, but those rules could be evolving.英国目前的规定禁止无人机在操作员视线范围外飞行,但这些规定可能在演变。“These tests by Amazon help inform our policy and future approach,” said Tim Johnson, CAA policy director. “We want to enable the innovation that arises from the development of drone technology.”“亚马逊的这些测试将有助于为我们的政策和未来方针提供依据,”英国民航局政策总监蒂姆#8226;约翰逊(Tim Johnson)表示,“我们希望为无人机技术引发的创新创造条件。”Drones have become contentious in some countries because of concerns over privacy — many high-end drones have cameras — and over security if they were used to deliver drugs or guns.在一些国家,由于对隐私(很多高级无人机配备摄像头)以及安全(无人机有可能被用来快递毒品或)的担忧,无人机一直备受争议。A key focus of Amazon’s research has been the “sense and avoid” technology that allows its drones to perceive obstacles. The drones are typically designed to fly at less than 400 feet and carry packages that weigh less than five pounds.亚马逊研究的一个关键重点是让无人机识别障碍物的“感知与规避”技术。无人机的设计飞行高度通常不到400英尺,可携带重量不到5磅的包裹。 /201607/456961Google has patented a sticky coating for driverless cars that could reduce damage done to pedestrians in the event of a collision. People struck by the vehicle would become glued to its bonnet, rather than being thrown off and further injured.谷歌已经就在无人驾驶汽车添加粘性涂层获得专利,该涂层能够在撞倒行人情况下减少对其的损伤。被车辆撞击的人将会被粘在引擎盖上,而不是被甩出去,造成进一步的受伤。One transport safety professor said the concept could reduce injuries sustained in a pedestrian collision. Google did not say whether it intended to implement the idea in its driverless vehicles.一位运输安全教授表示,这个概念可以减少与行人碰撞发生的损伤。不过谷歌方面并没有透露是否计划在无人驾驶汽车上实施这个想法。;It does have some merit to it,; said Andrew Morris, Professor of Human Factors in Transport Safety at Loughborough University. ;When pedestrian accidents happen, often the person is thrown up onto the bonnet and there may be injuries from that contact, but sometimes there are not. But when a driver brakes in a collision, a totally natural reaction, the pedestrian is thrown onto the ground and you can get injuries from that contact.;“这确实是有一定道理的,”拉夫堡大学运输安全人为因素的教授安德鲁·莫里斯说道。“当行人事故发生的时候,往往是行人被撞到发动机罩上,这可能导致伤害,但有时也不会。但是,当司机刹车的时候,这是一个完全自然的反应,行人会被撞飞到地上,这就会造成严重的伤害了。”Google#39;s patent explained that the adhesive layer would be hidden under a protective coating, to ensure it did not gather debris during journeys.谷歌的专利文件解释道,粘合剂层将被隐藏在一个保护层下,以确保它的行程期间不会聚集碎片。;Upon the initial impact between the colliding object and the vehicle, the coating is broken, exposing the adhesive layer,; the patent document said.专利文件叙述道:“在碰撞物体和车辆之间初始冲击时,涂层将破碎,暴露出粘合剂层。”Prof Morris said it remained to be seen whether the idea would work in practice. ;Whether they could realistically make a car that has the right material in it and works reliably, we can#39;t categorically say that,; he told the B.莫里斯教授表示,该想法是否会在实际中运用仍有待观察。他接受B采访时表示:“能否切实地在车上涂合适的材料并让其可靠地发挥作用,我们还不能下结论。”Kevin Clinton, head of road safety at the Royal Society for the Prevention of Accidents, said: ;As well as developing new technology that prevents pedestrians from being hit in the first place, it#39;s also crucial to develop ways of reducing the severity of injuries suffered if a pedestrian is knocked over. This idea is a fascinating example of just how far vehicle technology is changing. It will obviously need to be developed and tested to ensure that it works reliably and doesn#39;t cause any unintended consequences.;事故预防皇家学会的道路安全负责人凯文·克林顿表示:“除了开发新的技术以防止行人被撞之外,减少被撞倒后的伤害程度也同样重要。这一想法是汽车技术已经发生重大改变的一个有趣例子。显然我们需要开发和测试,以确保其可靠地发挥作用,而不会造成任何意想不到的后果。” /201606/448677What happens when the biggest tech company in the world stops buying your products?想象一下,当全球最大的科技公司停止购买你的产品时会发生什么呢?Imagination Technologies is learning that lesson right now -- and it#39;s very painful.英国芯片设计商Imagination Technologies就正在经历着这样一幕,并且很痛苦。Apple told the British company it plans to stop licensing the firm#39;s technology in about two years. As soon as the news came out, Imagination shares plunged by as much as 72%. They#39;ve recovered slightly since.苹果于日前告知这家英国公司,计划在未来两年内停止对该公司技术的使用许可。该消息刚一发出就导致了Imagination公司的股份下跌72%,到目前也只是有轻微的恢复。Imagination Technologies owns and licenses intellectual property that helps power the graphics on the screens of Apple#39;s iPhones, tablets, iPods, TVs and watches.Imagination公司拥有可以加强苹果设备屏幕图形处理性能的知识产权,这些设备涵盖了iPhone,iPad,iPods,电视以及手表。Just over half of the company#39;s annual revenue comes directly from Apple.该公司有超过一半的年收入直接来自苹果。In a statement, Imagination said Apple had said it is ;working on a separate, independent graphics design in order to control its products.;Imagination公司在一则声明中说道:苹果正在独立研发图形设计以便于做到更好的品控。But the British tech firm doubts Apple will be able to come up with a standalone solution.但是这家英国技术公司怀疑苹果并不能独立开发出一个解决方案。Apple has not presented any evidence to substantiate its assertion that it will no longer require Imagination#39;s technology, without violating Imagination#39;s patents, intellectual property and confidential information, the company said.该公司称,苹果目前尚未提供出在不侵犯知识产权及机密信息的情况下,不再需要Imagination技术的据。 /201704/503992

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