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TFDS-2T系统中车辆信息采集计算机中主要用到的程序是:()。
按照能量守恒定律,变压器绕组电压高的一侧,电流()
试比较无刷直流电动机和有刷直流电动机的转矩公式、转速公式和机械特性。
手摇道岔时应确认有关道岔的位置正确,尖轨密贴。
如果把一个建设工程的项目管理视为一个系统,则对其系统进行诊断时,首先应分析其()方面存在的问题。
期间费用在利润表中的列示顺序通常依次为()
致痫的病因中,历代医家以何者立论最多:()
单肺通气适应症
请阅读 Passage 2,完成第 26~30小题。Passage 2Scientists have found that although we are prone to snap overreactions,if we take a moment and think about how we are likely to react,we can reduce or even eliminate the negative effects of our quick,hard-wired responses.Snap decisions can be important defense mechanisms; if we are judging whether someone is dangerous,our brains and bodies are hard-wired to react very quickly,within milliseconds.But we need more time to assess other factors.To accurately tell whether someone is sociable,studies show,we need at least a minute,preferably five.It takes a while to judge complex aspects of personality,like neuroticism or open-mindedness.But snap decisions in reaction to rapid stimuli aren't exclusive to the mterpersonal realm. Psychologists at the University of Toronto found that viewing a fast-food logo for just a few milliseconds primes us to read 20 percent faster,even though reading has little to do with eating.We unconsciously associate fast food with speed and impatience and carry those impulses mto whatever else we're doing.Subjects exposed to fast-food flashes also tend to think a musical piece lasts too long.Yet we can reverse such influences.If we know we will overreact to consumer products or housing options when we see a happy face(one reason good sales representatives and real estate agents are always smiling),we can take a moment before buying.If we know female job screeners are more likely to reject attractive female applicants,we can help screeners understand their biases-or hire outside screeners.John Gottman,the marriage expert,explains that we quickly"thin slice" information reliably only after we ground such snap reactions in"thick sliced" long-term study.When Dr.Gottman really wants to assess whether a couple will stay together,he invites them to his island retreat for a much longer evaluation: two days,not two seconds.Our ability to mute our hard-wired reactions by pausing is what differentiates us from arumals:dogs can think about the future only intermittently or for a few minutes.But historically we have spent about 12 percent of our days contemplating the longer term.Although technology might change the way we react,it hasn't changed our nature.We still have the imaginative capacity to rise above temptation and reverse the high-speed trend.Our reaction to a fast-food logo shows that snap decisions ____.
试述近代教育变化的特别表现。
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光纤通信在进行长距离传输时,由于光纤中存在损耗和色散使得光信号()降低、光脉冲发生展宽。
光纤通信在进行长距离传输时,由于光纤中存在损耗和色散使得光信号能量降低、()发生展宽。
光纤通信在进行长距离传输时,由于光纤中存在()使得光信号能量降低、光脉冲发生展宽。
光纤通信传输媒介是()。
目前光纤通信中,光纤中传输的是()。
目前光纤通信中,光纤中传输的是()。
光纤通信传输媒介是()。
长距离大容量的光纤通信系统采用()光纤。
光纤通信系统按照传输信号的类型划分为模拟光纤通信系统和()光纤通信系统;按照光纤的传输类型划分为多模光纤通信系统和()光纤通信系统。
光纤通信中一般采用传输码型是()。