量表 | Q | L | F | K | Fb | TRIN | VRIN | ICN | Hs | D | Hy | Pd | Mf | Pa | Pt A. A因子B. I因子 C. N因子 D. P因子 [单选题]电子水准仪是高精度仪器需要小心使用,使用仪器设备必须在鉴定有效期内,必须对测量仪器精确度进行一次校准。高速铁路线路维修岗位第五章第一节
A.每季度 B.每半年 C.每年 D.每二年 [判断题]CTCS是中国列车运行控制系统的英文缩写。
A.正确 B.错误 [单选题]当变压器二次绕组开路,一次绕组施加额定频率的额定电压时,一次绕组中所流过的电流称()。
A.励磁电流 B.整定电流 C.短路电流 [不定项选择题]共用题干
第一篇
Pool Watch Swimmers can drown in busy swimming pools when lifeguards fail to notice that they are in trouble.The Royal Society for the Prevention of Accidents says that on average 15 people drown in British pools each year,but many more suffer major injury after getting into difficulties.Now a French company has developed an artificial intelligence system called Poseidon that sounds the alarm when it sees someone in danger of drowning. When a swimmer sinks towards the bottom of the pool,the new system sends an alarm signal to a pool- side monitoring station and a lifeguard's pager."In trials at a pool in Ancenis,near Nantes,it saved a life within just a few months,"says Alistair McQuade,a spokesman for its maker,Poseidon Technologies. Poseidon keeps watch through a network of underwater and overheard video cameras.Al software analy- ses the images to work out swimmers trajectories(轨道,轨线).To do this reliably,it has to tell the difference between a swimmer and the shadow of someone being cast onto the bottom or side of the pool."The under- water environment is a very dynamic one,with many shadows and reflections dancing around." says McQuade. The software does this by"projecting"a shape in its field of view onto an image of the far wall of the pool.It does the same with an image from another camera viewing the shape from a different angle.If the two projections are in the same position,the shape is identified as a shadow and is ignored.But if they are different.the shape is a swimmer and so the system follows its trajectory. To pick out potential drowning victims,anyone in the water who starts to descend slowly is added to the software's "pre-alert"list,says McQuade.Swimmers who then stay immobile on the pool bottom for 5 seconds or more are considered in danger of drowning.Poseidon double-checks that the image really is of a swimmer,not a shadow,by seeing whether it obscures the pool's floor texture when viewed from overhead. If so,it alerts the lifeguard,showing the swimmer's location on a poolside screen. The first full-scale Poseidon system will be officially opened next week at a pool in High Wycombe, Buckinghamshire.One man who is impressed with the idea is Travor Baylis,inventor of the clockwork ra- dio.Baylis runs a company that installs swimming pools一and he was once an underwater escapologist(表演 脱身术的人)with a circus. " I say full marks to them if this works and can save lives , " he says. But h" adds that any local authority spending £30,000一plus a on Poseidon system ought to be investing similar amounts in teaching children to swim. Al means the same as_________. A.an image B.an idea C.anyone in the water D.artificial intelligence [多选题]运维班应具备的制度类资料有
(____)。
A.国家电网公司无人值守变电站运维管理规定 B.国家电网公司变电(直流)检修管理规定 C.设备缺陷管理相关制度 D.巡视指导书 [单选题]倪某,男,37岁。以气短为主诉来诊,胸片示左侧大量积液,收入院治疗。
该病人卧床休息时较为舒适的卧位是 A. 右侧卧位 B. 左侧卧位 C. 平卧位 D. 中凹卧位 E.半卧位 [填空题]外科专用手锯
[单项选择]阀门手轮,手柄的直径或长度小于()毫米时,只能一人操作,否则会破坏阀门。
A. 200 B. 320 C. 400 [简答题]凝结水泵如何停运?
[判断题]出现报警信号后,消防控制室的所有值班人员必须到现场确认。
A.正确 B.错误 [单项选择]容易感冒的人,是由于气的何种功能不足导致的()
A. 固摄功能 B. 气化功能 C. 防御功能 D. 温煦功能 E. 推动功能 [单项选择]以下药物口服不吸收的是()。
A. 头孢呋辛钠(酯) B. 头孢曲松钠 C. 头孢氨苄 D. 阿莫西林-克拉维酸钾 [单项选择]麻醉前需禁饮的时间为( )
A. 4小时 B. 8小时 C. 12小时 D. 10小时 E. 15小时 [判断题]故障应急处置或抢险救援需临时破拆高速铁路栅栏时,破拆单位负责及时恢复栅栏并在恢复封闭前对栅栏缺口安排专人看守。____
A.正确 B.错误 [单选题]从业人员经过安全教育培训,了解岗位操作规程,但未遵守而造成事故的,行为人应负()责任,有关负责人应负管理责任。
A.领导 B.直接 C.管理 [单项选择]在办理个人贷款业务过程中,消费者按银行要求提供()时,应提供抵押物房地产权属证书,并配合银行前往抵押登记管理部门办理抵押登记手续。
A. 抵押担保 B. 质押担保 C. 抵押存单 D. 抵押保险 [单选题]《消防法》规定,在设有车间或者仓库的建筑物内,不得设置员工( )。
A. 集体宿舍 B. 单身宿舍 C. 厨房 我来回答: 提交
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