Today, there are hybrid versions of many modern mid-size cars. The most recent advancement comes in the form of plug-in hybrids with larger (and more expensive) battery packs that can be charged at home or the office, allowing you to drive greater distances on electric power, which ...
With the average number of children in a British family falling beneath an average of 2.0,the population of the UK has been declining for quite a few years. The size of the British workforce is declining. This trend (趋势) is quite worrying for the British economy. There is a whole range...
fetching a ball … and then suddenly about 2 or 3 weeks ago he started to stopping on walks after 20 meters… last days he is stopping on 5 meters
Averaging averages is only valid when the sets of data — groups, cohorts, number of measurements — are all exactly equal in size (or very nearly so), contain the same number of elements, represent that same area, same volume, same number of patients, same number of opinions and, as w...