题目内容
关于涡街流量计，下列说法正确的是（）
查看答案
搜索结果不匹配？点我反馈
更多问题
系统过程进行的足够缓慢，任意时刻的状态都可看做是平衡态，此过程称为 。
系统内能的状态改变有两种途径：做功和传递热量，其中热量仅与系统初末状态的温度有关。
气体的迁移现象有三种：粘滞、热传导、扩散；粘滞现象的微观本质是分子的净迁移。热传导现象的微观本质是分子的净迁移。扩散现象的微观本质是分子的净迁移。
Since the 1940s, southern California has had a reputation for smog. Things are not as bad as they once were but, according to the American Lung Association, Los Angeles is still the worst city in the United States for levels of 1__________. Gazing down on the city from the Getty Center, an art museum in the Santa Monica Mountains, one would find the view of the Pacific Ocean blurred by the haze (霾). Nor is the state's bad air 2__________ to its south. Fresno, in the central valley, comes top of the list in America for year-round pollution. Residents' hearts and lungs are affected as a 3__________ .All of which, combined with California's reputation as the home of technological 4__________ , makes the place ideal for developing and testing systems designed to monitor pollution in 5__________ . And that is just what Aclima, a new firm in San Francisco, has been doing over the past few months. It has been trying out monitoring stations that are 6__________ to yield minute-to-minute maps of 7__________ air pollution. Such stations will also be able to keep an eye on what is happening inside buildings, including offices.To this end, Aclima has been 8__________ with Google's Street View system. Davida Herzl, Aclima's boss, says they have revealed pollution highs on days when San Francisco's transit workers went on strike and the city's 9__________ were forced to use their cars. Conversely, "cycle to work" days have done their job by 10__________ pollution lows.A) assisted B) collaborating C) consequence D) consumersE) creating F) detail G) domestic H) frequentlyI) inhabitants J) innovation K) intended L) outdoorM) pollutants N) restricted O) sum
微信支付 
支付宝支付